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Question 4Choose 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 |
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Answer» Question 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 |
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