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Class 12 Physics Practice Test: Ohm's Law
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Avg score: 69% • Most missed: “Identify the factor which does not depend on the resistance of a conductor.”

Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it, provided all physical conditions and temperature, remain constant.

Class 12 Physics Practice Test: Ohm's Law
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5 Questions

1. What is the reciprocal of resistance of a material called? Give its unit.
2. What is the reciprocal of resistivity of a material called? Give its unit.
3. Give the SI unit of current density and its dimensional formula.
4. Identify the factor which does not depend on the resistance of a conductor.
5. Give the SI unit of resistivity.

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