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Experiments to study vision often need to track the movements of a subject's eye. One way...

Experiments to study vision often need to track thExperiments to study vision often need to track the movements of a subject's eye. One way of doing so is to have the subject sit in a magnetic field while wearing special contact lenses with a coil of very fine wire circling the edge. A current is induced in the coil each time the subject rotates his eye. Consider the experiment shown in the figure in which a 15-turn, 6.0-mm-diameter coil of wire circles the subject's cornea while a 1.0T magnetic field is directed as shown. The subject begins by looking straight ahead.

Part A

What emf is induced in the coil if the subject shifts his gaze by 6? in 0.17s ?

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Answer #1

The induced emf is 6° (15)(1)(π(3.0 x 10-3)2) 180 0.17s (17 =2.6 x 10-4 V 貝 麌

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