In electromagnetic induction, the induced charge in a coil is independent of

Options

A. change in the flux
B. time taken to change the flux
C. resistance in the circuit
D. None of the above

Answer

B

Explanation

Induced emf, `e=-(dphi)/(dt)`
But, `e=iR and i=(dq)/(dt)`
`therefore" "(dq)/(dt)R=-(dphi)/(dt) or dq=(dphi)/(R)`
So, induced charge in a coil is independent of time taken to charge the flux.