A coil having n turns & resistance `ROmega` is connected with a galvanometer of resistance `4ROmega`. This combination is moved from a magnetic field W1 Wb to W2 Wb in t second. The induced current in the circut

Question

A coil having n turns & resistance `ROmega` is connected with a galvanometer of resistance `4ROmega`. This combination is moved from a magnetic field W₁ Wb to W₂ Wb in t second. The induced current in the circut is....

Options:
(a) `-((W_2-W_1))/(5Rnt)` (b) `-(n(W_2-W_1))/(5Rnt)` (c) `-((W_2-W_1))/(Rnt)` (d) `-(n(W_2-W_1))/(Rnt)`