A galvanometer is connected to the secondary coil. The galvanometer shows an instantaneous
Channel: Doubtnut
Date: 2021-11-02

A galvanometer is connected to the secondary coil. The galvanometer shows an instantaneous maximum deflection of 7 divisions when current is started in the primary coil of the solenoid. Now if the primary coil is rotated through `180^(@)`, then the new instantaneous maximum deflection will be: