When the magnet shown in the diagram below is moving towards the coil, the galvanometer gives a reading to the right.

(i) What is the name of the effect being produced by the moving magnet ?

(ii) State what happens to the reading shown on the galvanometer when the magnet is moving away from the coil.

(iii) The original experiment is repeated. This time the magnet is moved towards the coil at a great speed. State two changes you would notice in the reading on the galvanometer.

Open in App

Solution

(i) Electromagnetic induction
(ii) The galvanometer gives a reading to the left.
(iii) More deflection to right and it will occur more quickly.

Suggest Corrections

Similar questions

Q. When the magnet shown in the diagram below is moving towards the coil, the galvanometer gives a reading to the right.

(i) What is the name of the effect being produced by the moving magnet?
(ii) State what happens to the reading shown on the galvanometer when the magnet is moving away from the coil.
(iii) The original experiment is repeated. This time the magnet is moved towards the coil at a great speed. State two changes you would notice in the reading on the galvanometer.

The given figure shows a coil connected to a centre zero galvanometer G. The galvanometer shows a deflection to the right when the N-pole of a powerful magnet is moved to the right as shown.

State the observation in the galvanometer G when the coil is moved away from N.

Moving coil galvanometer operates on Permanent Magnet Moving Coil (PMMC) mechanism.

Moving coil galvanometers are of two types
(a) Suspended coll
(b) Pivoted coil type or tangent galvanometer,

Its working is based on the fact that when a current carrying coil is placed in a magnetic field, it experiences a torque. This torque tends to rotate the coil about its axis of suspension in such a way that the magnetic flux passing through the coil is maximum.

$(i i)$ To make the field radial in a moving coil galvanometer

Q. The following diagram in figure shows a fixed coil of several turns connected to a centre zero galvanometer G and a magnet NS which can move in the direction shown in the diagram. Describe the observation in the galvanometer if the magnet is moved rapidly towards the coil.

A coil of insulated wire is connected to a galvanometer. What would be seen if a bar magnet with its south pole towards one face of the coil is moved quickly toward and away from it.

Join BYJU'S Learning Program

(i) Electromagnetic induction (ii) The galvanometer gives a reading to the left. (iii) More deflection to right and it will occur more quickly.

(i) Electromagnetic induction
(ii) The galvanometer gives a reading to the left.
(iii) More deflection to right and it will occur more quickly.