. The diagram shows a fixed coil of several turns connected to a center zero galvanometer G and a magnet NS which can move in the direction shown in the


The diagram shows a fixed coil of several turns connected to a center zero galvanometer G and a magnet NS which can move in the direction shown in the diagram.

The diagram

(a) Describe the observation in the galvanometer if  (i) the magnet is moved away rapidly, (ii) the magnet is kept stationary after it has moved into the coil, (iii) the magnet is then rapidly pulled out of the coil.

(b) How would the observation in (i) of part (a) change if a more powerful magnet is used?

 

Best Answer

(a) (i) The direction of deflection remains constant in the galvanometer, if the magnet is moved away rapidly

(ii) The deflection becomes zero, if the magnet is kept stationary after it has moved into the coil

(iii) The deflection again occurs in opposite direction, if the magnet is rapidly pulled out of the coil

(b) The deflection is increased

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