Question 1. What happens to resistance when length of conductor is doubled without affecting the thickness of conductor?
Question 2. What is the lowest resistance that can be obtained by combining four coils of resistors of 4 Ω, 8 Ω, 12 Ω and 24 Ω?
Question 3. What is an ammeter?
Question 4. Calculate the number of electrons constituting one coulomb of charge.
Question 5. A voltmeter is to be connected in the circuit to measure potential difference across a conductor. Mention the type of combination in which it should be conducted with the conductor.
Question 6. A bulb cannot be used in place of a resistor to verify Ohm’s law. Justify this statement with reason.
Question 7. What is meant by electric resistance of a conductor?
Question 8. Define resistance of a conductor.
Question 9. Write SI unit of resistivity.
Question 10. How does the resistivity of alloys compare with those of pure metals form which they may have formed?
Question 11. Mention any two factors on which the resistance of a cylindrical conductor depends.
Given below are the links of some of the reference books for class 10 Science.
You can use above books for extra knowledge and practicing different questions.
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