{"id":3893,"date":"2025-11-09T16:49:24","date_gmt":"2025-11-09T16:49:24","guid":{"rendered":"https:\/\/physicscatalyst.com\/testprep\/class-7-science\/electricity-circuits-and-their-components-class-7-mcq\/"},"modified":"2025-11-09T16:49:24","modified_gmt":"2025-11-09T16:49:24","slug":"electricity-circuits-and-their-components-class-7-mcq","status":"publish","type":"post","link":"https:\/\/physicscatalyst.com\/testprep\/class-7-science\/electricity-circuits-and-their-components-class-7-mcq\/","title":{"rendered":"Electricity: Circuits and their Components Class 7 MCQ"},"content":{"rendered":"<script type=\"text\/javascript\" >\ndocument.addEventListener(\"DOMContentLoaded\", function(event) { \nif(!window.jQuery) alert(\"The important jQuery library is not properly loaded in your site. Your WordPress theme is probably missing the essential wp_head() call. You can switch to another theme and you will see that the plugin works fine and this notice disappears. If you are still not sure what to do you can contact us for help.\");\n});\n<\/script>  \n  \n<div  id=\"watupro_quiz\" class=\"quiz-area single-page-quiz\">\n<p id=\"submittingExam488\" style=\"display:none;text-align:center;\">Please wait...<br><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/physicscatalyst.com\/testprep\/wp-content\/plugins\/watupro\/img\/loading.gif\" width=\"16\" height=\"16\"><\/p>\n\n<div class=\"watupro-exam-description\" id=\"description-quiz-488\"><p><strong>General Instructions<\/strong><\/p>\n<ul>\n<li>Your test contains multiple-choice questions with only one answer-type question. There are a total of 10 questions<\/li>\n<li>This is a 20 min test. Please make sure you complete it in the stipulated time<\/li>\n<li>You can finish this test any time using the <span style=\"color: #ff0000;\"><strong>'Submit'<\/strong><\/span> button.<\/li>\n<\/ul>\n<\/div>\n\n<form action=\"\" method=\"post\" class=\"quiz-form\" id=\"quiz-488\"  enctype=\"multipart\/form-data\" >\n<div class='watu-question ' id='question-1' style=';'><div id='questionWrap-1'  class='   watupro-question-id-8301'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>1. <\/span>What will happen if you join the two terminals of a cell without connecting them through a switch or a bulb?<\/div><input type='hidden' name='question_id[]' id='qID_1' value='8301' class='watupro-question-id'\/><input type='hidden' id='answerType8301' class='answerTypeCnt1' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8301'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8301[]' id='answer-id-33154' class='answer   answerof-8301  ' value='33154'   \/><label for='answer-id-33154' id='answer-label-33154' class=' answer'><span>There will be no impact to cell<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8301[]' id='answer-id-33155' class='answer   answerof-8301  ' value='33155'   \/><label for='answer-id-33155' id='answer-label-33155' class=' answer'><span>The chemicals in the electric cell get used up slowly and cell will produce electricity longer<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8301[]' id='answer-id-33156' class='answer   answerof-8301  ' value='33156'   \/><label for='answer-id-33156' id='answer-label-33156' class=' answer'><span>The chemicals in the electric cell get used up very fast and the cell will no longer produce electric current. It will stop working.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8301[]' id='answer-id-33157' class='answer   answerof-8301  ' value='33157'   \/><label for='answer-id-33157' id='answer-label-33157' class=' answer'><span>None of these<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-2' style=';'><div id='questionWrap-2'  class='   watupro-question-id-8302'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>2. <\/span>A simple device that is used to either break or complete the electric circuit?<\/div><input type='hidden' name='question_id[]' id='qID_2' value='8302' class='watupro-question-id'\/><input type='hidden' id='answerType8302' class='answerTypeCnt2' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8302'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8302[]' id='answer-id-33158' class='answer   answerof-8302  ' value='33158'   \/><label for='answer-id-33158' id='answer-label-33158' class=' answer'><span>Switch<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8302[]' id='answer-id-33159' class='answer   answerof-8302  ' value='33159'   \/><label for='answer-id-33159' id='answer-label-33159' class=' answer'><span>Terminal<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8302[]' id='answer-id-33160' class='answer   answerof-8302  ' value='33160'   \/><label for='answer-id-33160' id='answer-label-33160' class=' answer'><span>Current<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8302[]' id='answer-id-33161' class='answer   answerof-8302  ' value='33161'   \/><label for='answer-id-33161' id='answer-label-33161' class=' answer'><span>Conductor<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-3' style=';'><div id='questionWrap-3'  class='   watupro-question-id-8303'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>3. <\/span>Materials that do not allow electric current to pass through them ?<\/div><input type='hidden' name='question_id[]' id='qID_3' value='8303' class='watupro-question-id'\/><input type='hidden' id='answerType8303' class='answerTypeCnt3' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8303'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8303[]' id='answer-id-33162' class='answer   answerof-8303  ' value='33162'   \/><label for='answer-id-33162' id='answer-label-33162' class=' answer'><span>Insulators<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8303[]' id='answer-id-33163' class='answer   answerof-8303  ' value='33163'   \/><label for='answer-id-33163' id='answer-label-33163' class=' answer'><span>Conductors<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8303[]' id='answer-id-33164' class='answer   answerof-8303  ' value='33164'   \/><label for='answer-id-33164' id='answer-label-33164' class=' answer'><span>Switch<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8303[]' id='answer-id-33165' class='answer   answerof-8303  ' value='33165'   \/><label for='answer-id-33165' id='answer-label-33165' class=' answer'><span>Battery<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-4' style=';'><div id='questionWrap-4'  class='   watupro-question-id-8304'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>4. <\/span>Materials which allow current to pass through them easily are called?<\/div><input type='hidden' name='question_id[]' id='qID_4' value='8304' class='watupro-question-id'\/><input type='hidden' id='answerType8304' class='answerTypeCnt4' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8304'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8304[]' id='answer-id-33166' class='answer   answerof-8304  ' value='33166'   \/><label for='answer-id-33166' id='answer-label-33166' class=' answer'><span>Insulators<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8304[]' id='answer-id-33167' class='answer   answerof-8304  ' value='33167'   \/><label for='answer-id-33167' id='answer-label-33167' class=' answer'><span>Conductors<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8304[]' id='answer-id-33168' class='answer   answerof-8304  ' value='33168'   \/><label for='answer-id-33168' id='answer-label-33168' class=' answer'><span>Switch<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8304[]' id='answer-id-33169' class='answer   answerof-8304  ' value='33169'   \/><label for='answer-id-33169' id='answer-label-33169' class=' answer'><span>Battery<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-5' style=';'><div id='questionWrap-5'  class='   watupro-question-id-8305'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>5. <\/span>Which one of the following statement is false?<\/div><input type='hidden' name='question_id[]' id='qID_5' value='8305' class='watupro-question-id'\/><input type='hidden' id='answerType8305' class='answerTypeCnt5' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8305'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8305[]' id='answer-id-33170' class='answer   answerof-8305  ' value='33170'   \/><label for='answer-id-33170' id='answer-label-33170' class=' answer'><span>Eraser is a bad conductor of electricity.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8305[]' id='answer-id-33171' class='answer   answerof-8305  ' value='33171'   \/><label for='answer-id-33171' id='answer-label-33171' class=' answer'><span>Metals are good conductor of electricity.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8305[]' id='answer-id-33172' class='answer   answerof-8305  ' value='33172'   \/><label for='answer-id-33172' id='answer-label-33172' class=' answer'><span>Our body is a good conductor of electricity.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8305[]' id='answer-id-33173' class='answer   answerof-8305  ' value='33173'   \/><label for='answer-id-33173' id='answer-label-33173' class=' answer'><span>Plastic is a good conductor of electricity.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-6' style=';'><div id='questionWrap-6'  class='   watupro-question-id-8306'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>6. <\/span>Which of the following statements is correct of a switch?<\/div><input type='hidden' name='question_id[]' id='qID_6' value='8306' class='watupro-question-id'\/><input type='hidden' id='answerType8306' class='answerTypeCnt6' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8306'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8306[]' id='answer-id-33174' class='answer   answerof-8306  ' value='33174'   \/><label for='answer-id-33174' id='answer-label-33174' class=' answer'><span>It allows the flow of electricity.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8306[]' id='answer-id-33175' class='answer   answerof-8306  ' value='33175'   \/><label for='answer-id-33175' id='answer-label-33175' class=' answer'><span> It controls the brightness of a bulb.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8306[]' id='answer-id-33176' class='answer   answerof-8306  ' value='33176'   \/><label for='answer-id-33176' id='answer-label-33176' class=' answer'><span>It controls the power of the batteries.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8306[]' id='answer-id-33177' class='answer   answerof-8306  ' value='33177'   \/><label for='answer-id-33177' id='answer-label-33177' class=' answer'><span>It fuses a bulb.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-7' style=';'><div id='questionWrap-7'  class='   watupro-question-id-8307'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>7. <\/span>Which of the following precautions need not be taken while using electric gadgets\/appliances\/circuit?<\/div><input type='hidden' name='question_id[]' id='qID_7' value='8307' class='watupro-question-id'\/><input type='hidden' id='answerType8307' class='answerTypeCnt7' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8307'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8307[]' id='answer-id-33178' class='answer   answerof-8307  ' value='33178'   \/><label for='answer-id-33178' id='answer-label-33178' class=' answer'><span>We should never touch a lighted electric bulb connected to the mains.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8307[]' id='answer-id-33179' class='answer   answerof-8307  ' value='33179'   \/><label for='answer-id-33179' id='answer-label-33179' class=' answer'><span>We should never experiment with the electric supply from the mains or a generator or an inverter.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8307[]' id='answer-id-33180' class='answer   answerof-8307  ' value='33180'   \/><label for='answer-id-33180' id='answer-label-33180' class=' answer'><span>We should never use just any wire or strip of metal in place of a fuse.<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8307[]' id='answer-id-33181' class='answer   answerof-8307  ' value='33181'   \/><label for='answer-id-33181' id='answer-label-33181' class=' answer'><span>We should never turn the switch in ON position.<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-8' style=';'><div id='questionWrap-8'  class='   watupro-question-id-8308'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>8. <\/span>Which one of the following will allow electric current to pass through?<\/div><input type='hidden' name='question_id[]' id='qID_8' value='8308' class='watupro-question-id'\/><input type='hidden' id='answerType8308' class='answerTypeCnt8' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8308'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8308[]' id='answer-id-33182' class='answer   answerof-8308  ' value='33182'   \/><label for='answer-id-33182' id='answer-label-33182' class=' answer'><span>Eraser<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8308[]' id='answer-id-33183' class='answer   answerof-8308  ' value='33183'   \/><label for='answer-id-33183' id='answer-label-33183' class=' answer'><span>Matchstick<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8308[]' id='answer-id-33184' class='answer   answerof-8308  ' value='33184'   \/><label for='answer-id-33184' id='answer-label-33184' class=' answer'><span>Plastic comb<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8308[]' id='answer-id-33185' class='answer   answerof-8308  ' value='33185'   \/><label for='answer-id-33185' id='answer-label-33185' class=' answer'><span>Iron Nail<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-9' style=';'><div id='questionWrap-9'  class='   watupro-question-id-8309'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>9. <\/span>What is false of electric cell?<\/div><input type='hidden' name='question_id[]' id='qID_9' value='8309' class='watupro-question-id'\/><input type='hidden' id='answerType8309' class='answerTypeCnt9' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8309'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8309[]' id='answer-id-33186' class='answer   answerof-8309  ' value='33186'   \/><label for='answer-id-33186' id='answer-label-33186' class=' answer'><span>Chemical energy is converted into electrical energy<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8309[]' id='answer-id-33187' class='answer   answerof-8309  ' value='33187'   \/><label for='answer-id-33187' id='answer-label-33187' class=' answer'><span>It has a neutral terminal<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8309[]' id='answer-id-33188' class='answer   answerof-8309  ' value='33188'   \/><label for='answer-id-33188' id='answer-label-33188' class=' answer'><span>It has a Positive Terminal<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8309[]' id='answer-id-33189' class='answer   answerof-8309  ' value='33189'   \/><label for='answer-id-33189' id='answer-label-33189' class=' answer'><span>It has a Negative Terminal<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div class='watu-question ' id='question-10' style=';'><div id='questionWrap-10'  class='   watupro-question-id-8310'>\n\t\t\t<div class='question-content'><div><span class='watupro_num'>10. <\/span>which is false of LED ?<\/div><input type='hidden' name='question_id[]' id='qID_10' value='8310' class='watupro-question-id'\/><input type='hidden' id='answerType8310' class='answerTypeCnt10' value='radio'><!-- end question-content--><\/div><div class='question-choices watupro-choices-columns '  id='questionChoices8310'><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8310[]' id='answer-id-33190' class='answer   answerof-8310  ' value='33190'   \/><label for='answer-id-33190' id='answer-label-33190' class=' answer'><span>An LED has two terminals, one is positive (attached to a longer wire) and the other is negative (the shorter wire)<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8310[]' id='answer-id-33191' class='answer   answerof-8310  ' value='33191'   \/><label for='answer-id-33191' id='answer-label-33191' class=' answer'><span>Electric current can pass through LED in one direction only<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8310[]' id='answer-id-33192' class='answer   answerof-8310  ' value='33192'   \/><label for='answer-id-33192' id='answer-label-33192' class=' answer'><span>An LED lights up only when its positive terminal (longer wire) connects to the positive terminal of the battery and its negative terminal (shorter wire) connects to the negative terminal of the battery<\/span><\/label><\/div><div class='watupro-question-choice  ' dir='auto' ><input type='radio' name='answer-8310[]' id='answer-id-33193' class='answer   answerof-8310  ' value='33193'   \/><label for='answer-id-33193' id='answer-label-33193' class=' answer'><span>None of the above<\/span><\/label><\/div><!-- end question-choices--><\/div><!-- end questionWrap--><\/div><\/div><div style='display:none' id='question-11'>\n\t<div 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