AP EAMCET · PHYSICS · Electromagnetic Induction
An AC generator consists of a coil of turns and is of cross-sectional area . It is rotating at a constant angular speed of in a uniform magnetic field of . Resistance of the coil is . What is the maximum power dissipation in the coil?
- A
- B
- C
- D
Answer & Solution
Correct Answer
(A)
Step-by-step Solution
Detailed explanation
Max emf, ε0=NBAω=100×0.04×3×60=720 V Power dissipated, P=ε022R=72022×360=720 W
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