Home
Class 12
PHYSICS
The sensitivity of a moving coil galvano...

The sensitivity of a moving coil galvanometer increases with the decrease in :

A

number of turns

B

area of coil

C

magnetic field

D

none of the above.

Text Solution

Verified by Experts

Doubtnut Promotions Banner Mobile Dark
|

Similar Questions

Explore conceptually related problems

Best method to increase the sensitivity of the moving coil galvanometer is to increase :

Define current sensitivity of a moving coil galvanometer.

Knowledge Check

  • Choose the wrong statement. The sensitivity of a mov-ing coil galvenometer can be increased by :

    A
    Increasing the number of turns in the coil
    B
    Inserting a soft iron cylinder inside the coil
    C
    Increasing the strength of the magnetic field
    D
    Using a suspcnsion fibrc of a higher restoring couple per unit twist .

  • The sensitivity of moving coil galvanometer can be increased by using

    A
    A thicker supension
    B
    A thinner suspension
    C
    Both (a) & (b)
    D
    None of the above

  • Statement - 1 . The sensitivity of a moving coil galvanometer in increased by placing a suitable material as a core inside the coil . Statement - 2 . Soft iron has a high magnetic permeability and cannot be easily magnetized or demagnetized .

    A
    Statement - 1 is true, statement - 2 is true , statement - 2 is a correct explanation for statement - 1
    B
    Statement - 1 is true, statement - 2 is true, Statement -2 is not correct explanation for statement -1
    C
    Statement - 1 is ture , statement - 2 is false.
    D
    Statement - 1 is a false, statement -2 is true

    • Similar Questions

    Explore conceptually related problems

    Define current sensitivity of a moving coil galvanometer.

    Name any one use of a moving coil galvanometer.

    Define current sensitivity of a galvanometer.

    Statement - 1 : The senstivity of a moving coil galvanometer is increased by placing a suitable magnetic material as a core inside the coil . Statement - 2 : Soft iron has a high magnetic parmeability and connot be easily magnetized or demagnetized .

    A moving coil galvanometer is converted intoan meterby connecting

    Home
    Profile