Electronics and Communication Engineering - Exam Questions Papers - Discussion

Discussion Forum : Exam Questions Papers - Exam Paper 13 (Q.No. 5)
5.
What is the major cause of creeping in an energy-meter?
Over compensation for friction
Mechanical vibrations
Excessive voltage across the potential coil
Stray magnetic fields
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.

SUHAIL said:   1 decade ago
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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