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A rectangular loop of wire with sides 0.23 and 0.32 m lies in a plane perpendicu

ID: 1259638 • Letter: A

Question

A rectangular loop of wire with sides 0.23 and 0.32 m lies in a plane perpendicular to a constant magnetic field (see part a of the drawing). The magnetic field has a magnitude of 0.66 T and is directed parallel to the normal of the loop's surface. In a time of 0.19 s, one half of the loop is then folded back onto the other half, as indicated in part b of the drawing. Determine the magnitude of the average emf induced in the loop.

A rectangular loop of wire with sides 0.23 and 0.32 m lies in a plane perpendicular to a constant magnetic field (see part a of the drawing). The magnetic field has a magnitude of 0.66 T and is directed parallel to the normal of the loop's surface. In a time of 0.19 s, one half of the loop is then folded back onto the other half, as indicated in part b of the drawing. Determine the magnitude of the average emf induced in the loop.

Explanation / Answer

Here ,

EMF = change in flux / time

EMF = (0 - 0.23 * 0.32)*0.66/.19

EMF = 0.26 V

the magnitude of the average emf induced is 0.26 V