Q.

A moving-coil permanent-magnet instrument can be used as flux-meter

  • ABy using a low resistance shunt
  • BBy using a high series resistance
  • CBy eliminating the control springs
  • DBy making control springs of large moment of inertia 
Correct Answer : (C)

By eliminating the control springs

Hints :

A moving-coil permanent-magnet instrument can be used as flux-meter by eliminating the control springs.

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