Home
Class 12
PHYSICS
The voltage sensitivity of a galvanomete...

The voltage sensitivity of a galvanometer can be increased by ________ .

A

increasing the current

B

increasing the couple per unit twist of the suspension wire

C

increasing the number of turns of the coil

D

increasing the magnetic induction .

Text Solution

Verified by Experts

The correct Answer is:
d
Promotional Banner

Similar Questions

Explore conceptually related problems

Sensitivity of a potentiometer can be increased by

Define Voltage sensitivity ?

State the factors on which the current sensitivity of a galvanometer is increased.

The electrical conductivity of pure germanium can be increased by

The coil of a moving coil galvanometer has 5 turns and each turn has an effective area of 2 xx 10^(-2) m^(2) . It is suspended in a magnetic field whose strength is 4 xx 10^(-2) Wb m^(-2) . If the torsional constant K of the suspension fibre is 4xx 10^(9) N m deg^(-1) . (a) Find its current sensitivity in degree per micro - ampere (b) Calculate the voltage sensitivity of the galvanometer for it to havefull scale deflection of 50 divisions for 25 mV. (c ) Compute the resistance of the galvanometer .

The unit of Galvanometer constant is _______ .