Induced Current
The steady current in the coil `C_2` as shown below produces a steady magnetic field. As coil `C_2` is moved towards the coil `C_1`, the galvanometer shows a deflection. This indicates that electric current is induced in coil `C_1`. When `C_2` is moved away, the galvanometer shows a deflection again, but this time in the opposite direction. This deflection is based upon the Faraday’s law of electromagnetic induction.
For duration of deflection in G, i.e. current flow in coil `C_1` which of the following statement is correct?
Options:
(a) The deflection lasts as long as `C_2` is in motion
(b) The deflection lasts till 1 min after motion of `C_2` stops
(c) The deflection lasts till 1 h after motion of `C_2` stops
(d) The deflection lasts forever