The electric resistance of a certain wire of iron is R. - Practice (English) | ObjectiveMcq

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The electric resistance of a certain wire of iron is R. - Practice (English) | ObjectiveMcq

PracticeGeneral ScienceCurrent ElectricityThe electric resistance of a certai...

Current Electricity General ScienceEasy

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The electric resistance of a certain wire of iron is R. If its length and radius are both doubled, then

Correct Answer:

(D) The resistance will be halved and the specific resistance will remain unchanged

Explanation:

The resistance will be halved and the specific resistance will remain unchanged

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