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Consider a magnet surrounded by a wire with an on/off switch as shown in the fig. If the switch is thrown from the off position (open circuit) to the on position (closed circuit) will a current flow in the circuit ? Explain.
(a) Yes
(b) No
(c) Cannot be determine
(d) information not sufficient

1 Answer

No. This is because no part of the wire loop is moving. Hence as a result there is no motional emf. Further the enclosed magnet is stationary. Therefore the magnetic flux linked with the loop does not change. As a result , no current flows in the circuit.
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