Question

describe galvanometer​

Answer 1

galvanometer :-

galvanometer is a sensitive device which works on the same principal as that of an electric motor.

some electrical measurements with it

Answer 2

Answer:

right hand thumb rule:-

imagine that you have held the conductor in your right hand in such a way that your thumb points in the direction of current. then turn your fingers around the conductor, the direction of the fingers is the direction of the magnetic lines of force .