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Get Answers to all your Questions
Q. 4. Choose the correct option.
A rectangular coil of copper wires is rotated in a magnetic field. The direction of the induced current changes once in each
(a) two revolutions
(b) one revolution
(c) half revolution
(d) one-fourth revolution
Answers (1)
The direction of the induced current changes once in each half revolution, since the direction of relative motion of coil and the magnetic field, is changing in every half cycle
Hence the correct option is (c).
View full answer
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