### Q.Two holes in the disc of energy meter are drilled at the opposite sides of the spindle to

• AImprove its ventilation
• BEliminate creeping at no load
• CIncrease its deflecting torque
• DIncrease its braking torque

Hints :

Two holes in the disc of energy meter are drilled at the opposite sides of the spindle to Eliminate creeping at no load.

Which of the following are Integrating instruments?

Resistances can be measured with the help of