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Byju's Answer
Standard X
Physics
Electric Potential and Potential Difference
A DC ammeter ...
Question

A DC ammeter cannot measure alternating current because

A
AC changes its direction
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B
DC instruments will measure the average value
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C
AC can damage the DC instrument
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D
AC produces more heat
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Solution

The correct option is B DC instruments will measure the average value
DC instruments measure the average value, and the average value in AC comes out to be zero in a full cycle.

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