Electronics and Communication Engineering - Exam Questions Papers - Discussion


What is the major cause of creeping in an energy-meter?

[A]. Over compensation for friction
[B]. Mechanical vibrations
[C]. Excessive voltage across the potential coil
[D]. Stray magnetic fields

Answer: Option A


No answer description available for this question.

Suhail said: (May 4, 2015)  
The correction friction compensation is done at normal voltage. If the voltage is above the normal voltage, the friction compensating torque is in excess and will cause the meter to creep.

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