Q.

In a portable instrument, the controlling torque is provided by

  • ASpring 
  • BGravity
  • CEddy currents
  • DAll of the above 
Correct Answer : (A)

Spring 

Hints :

In a portable instrument, the controlling torque is provided by spring.

Previous

Which of the following are Integrating instruments?

Next

Resistances can be measured with the help of

Join The Discussion