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An alternating current having peak value...

An alternating current having peak value 141 A is used to heat,a metal wire. To produce the same rate of heating effect, another constant current IA is used. What is the value of I?

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UNITED BOOK HOUSE-MODEL PAPER SET-03-EXERCISE
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  2. State Lenz’s law.

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  3. An alternating current having peak value 141 A is used to heat,a metal...

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  4. What is dispersive power?

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  9. Mention two characteristics of electromagnetic waves.

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  12. What is surface charge density?

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  18. A circular coil of radius 0.01 m has 100 turns and a current 7A. It is...

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