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Why does current starts flowing through a closed circuit when magnetic field is changed?

Why does current starts flowing through a closed circuit when magnetic field is changed?

Grade:10

2 Answers

Nikhil Upadhyay
171 Points
8 years ago
As the magnetic field is changed there is emf induced in the circuit which also induces induced current in the circuit.THANKS
Himanshu
389 Points
8 years ago
As magnetic field is changed the flux linked with a closed circiut changes... by faradays laws of electromagnetism whenever flux associated with a circiut changes then an emf is induced in the coil..this emf is equal to -d(flux)/dt hence this induced emf creates a current in the circiut.....this current keeps on flowing till emf is changing and becomes zero when flux becomes constant .Thanx

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