State the function of controlling torque. Write two types of it.

State the function of controlling torque. Write two types of it.
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1 Answer

Answer :

Function of Controlling Torque: 

To restrict the motion of pointer / spindle and stop the pointer at the relevant position to get correct reading. 

To bring back pointer to zero position when the quantity under measurement is removed. 

Types of Controlling Torque: 1. Spring control method 2.Gravity control method 

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