AIPMT 2004 Physics and Chemistry Paper

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Question : 2 of 100

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

The resistance will be halved and the specific resistance will remain unchanged
The resistance will be halved and the specific resistance will be doubled
The resistance and the specific resistance, will both remain unchanged
The resistance will be doubled and the specific resistance will be halved

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