Coil of resistance R, area A and N turns rotated in a field B: average power dissipated in a cycle

1. A.
   $\frac{N^2 A^2 B^2 \omega^2}{2R}$
2. B.
   $\frac{BNA\omega}{R}$
3. C.
   $\frac{N^2 AB^2 R}{\omega^2}$
4. D.
   $\frac{BA\omega^2}{NR}$

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1. A.
   $\frac{N^2 A^2 B^2 \omega^2}{2R}$
2. B.
   $\frac{BNA\omega}{R}$
3. C.
   $\frac{BNA\omega}{2R}$
4. D.
   $\frac{N^2 A^2 B^2 \omega^2}{R}$

Tap an option to check your answer.