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why did induced current produce in circuit when magnetic flux change? but not when flux is constant

why did induced current produce in circuit when magnetic flux change?  but not when flux is constant

Grade:12

1 Answers

Vikas TU
14149 Points
4 years ago
Becausse from Farday's law the voltage is induced due to the change in the flux of the circuit.
Hence if the flux changes the emf is generated and hence the current get flows to the circuit.
that is:
E = -d(flux)/dt
And if the flux is constant hence diffrentiation would be zero and the Emmf would be zero.

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