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Eamcet Physics
2 nd Year : Unit 4.2 ( Alternating Current ) - Electromagnetic Induction

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A conducting bar pulled with a constant speed v in a smooth conducting rail. The region has a steady magnetic field of induction B as shown in the figure. If the speed of the bar is doubled then the rate of heat dissipation will be

A. Constant

B. Quarter of the initial value

C. Four fold

D. Doubled

E. None of the above

View Answer

Correct choice: C

Explanation:

None

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Eamcet Physics 2 nd Year : Unit 4.2 ( Alternating Current ) - Electromagnetic Induction

Eamcet Physics
2 nd Year : Unit 4.2 ( Alternating Current ) - Electromagnetic Induction