A particular electric generator consists of a single loop of wire rotating at co

Question

A particular electric generator consists of a single loop of wire rotating at constant angular velocity in a uniform magnetic field. The magnetic field is directed left. The figure above shows three side views of the loop as the loop rotates clockwise, with the loop at various positions. In each picture, you see the loop edge on, represented by the black line. The two clockwise directed arrows in each picture indicate the direction of the loop's rotation. In your rankings below, use only > or = signs, such as 2>1=3.

Rank the three positions, from largest to smallest, based on ...
(a) the magnitude of the magnetic flux passing through the loop.

(b) the magnitude of the induced emf in the loop.

Explanation / Answer

a) 3>2>1
b)1>2>3

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