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How to solve resistor in series problems

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Here in this article we will go through a easy problem showing the basics how to solve the problems where resistors are connected in series and you have to find the equivalent resistance of the circuit. we will do this through an example . For this consider studying the question given below and how I solve this question following several steps. Here our goal will be to analyze few resistors connected in series combination. Further If you want to read the notes related to this topic please follow this link

NCERT book Solutions class-9 Gravitation (Part 2)

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This page contains NCERT book Solutions class -9 Gravitation starting from page 143 at the end of the chapter. I have also been writing the notes for this chapter to learn more about notes you can follow this link and to get the in-text questions solution please follow this link . If you want to get the solutions of first 11 questions follow this link.
For assignment on gravitation follow this link

Question 12
Gravitational force on the surface of the moon is only 1/6 as strong as gravitational force on the earth. What is the weight in newtons of a 10 kg object on the moon and on the earth?

How to solve Motion Problems of 9th Class

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The Motion problem in Class 9 are limited to Straight line motion with either no acceleration or constant acceleration.

This article is given to give the feel of the whole chapters plus the type of questions and ways to tackle them.

This is quite beneficial for anybody studying Motion for class 9.

Complete Study material has been provided at the below link Study Material

First we need to remember these important terms

NCERT book Solutions class-9 Gravitation (Part 1)

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This page contains NCERT book Solutions class -9 Gravitation starting from page 143 at the end of the chapter. I have also been writing the notes for this chapter to learn more about notes you can follow this link and to get the in-text questions solution please follow this link

Question 1

How does the force of gravitation between two objects change when the distance between them is reduced to half ?

Answer

According to Universal Law of gravitation , the gravitational force of attrection between any two objects of mass

NCERT book Solutions class-9 Gravitation (In Text Questions)

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These are NCERT solutions for class-9 chapter named Gravitation. Questions in this page are those questions that occur in between the texts at the end of each concept.and I have given the page number so you can find them easily in your book.
Page 134
Question 1
State the Universal law gravitation?
Answer
According to Universal Law of Gravitation every object in universe attracts every other object with a force known as Gravitational force.
It states that

How to take the Maths Exam effectively

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1) First and most important things is calmness and relaxness, Be relax and reach the examination before time. Keep a positive attitude throughout the whole test and try to stay relaxed. If you start to feel nervous take a few deep breaths to relax.

2) Dont just start the paper as soon you get it. Do some planning. When you first receive your test, do a quick survey of the entire test so that you know how to efficiently budget your time.

3) Be Time Efficient. Watch the clock. Don’t spend a huge amount of time trying to get the points for one problem! If you spend too much time trying to get the points for one problem, you may not be able to finish the exam and lose more points than you gained by taking all that time for that one problem.

What is Science and Scientific investigation

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What is Science: Our knowledge of the natural world and the process through which that knowledge is built

The process of science involves many layers of complexity, but the key points of that process are straightforward.There are many ways into the process
a) New Technology
b)curosity
c) Practical problem