Question

Question : ​ A coil having area AA and resistance R ΩRΩ is connected with a galvanometer of resistance 4RQ4RQ in series. This combination is moved in time tt seconds from a magnetic flux W_{1}W 1 ​ weber to W_{2}W 2 ​ weber. The average induced current in the circuit is

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Answer 1

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Answer 2

Answer:

Current is given by I = ER^' Substituting, E = - ndϕdt , we get I = - nR^