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?
Vishal Ghotra , 10 Years ago
Grade 10
Electromagnetic Induction> Why does current starts flowing through a...
2 Answers
Nikhil Upadhyay
As the magnetic field is changed there is emf induced in the circuit which also induces induced current in the circuit.THANKS
Himanshu
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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