Question

An ac generator consists of a coil of 50 turns and area 2.5 m rotating at an angular speed of 60 rad s-¹ in a uniform magnetic field B = 0.30 T. The resistance of the circuit including the coil is 500 ohm.
(i) Calculate the maximum current drawn from the generator.
(ii) At what orientation of the coil with respect to the field is the magnetic flux linked with the coil a) maximum and b) zero .
iii) Would the generator work if the coil were stationary and instead the polepieces rotated with the same speed as above ?Explain.​

Answer 1

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