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Statement 1: DC and AC both can be measured by a hot wire instrument.
Statement 2: Hot wire instrument is based on the principle of magnetic effect of current.

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Statement 1 is incorrect statement 2 is correct

Statement 1 is correct statement 2 is incorrect

Both statements 1 and 2 are correct

Both statements 1 and 2 are incorrect

answer is B.

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Detailed Solution

Both AC and DC produce heat, which is proportional to square of the current. The reversal of direction of current in AC is immaterial so far as production of heat is concerned.

Hot wire instrument is based on the principle of thermal expansion of metal.

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