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Electronics and Communication Engineering - Measurements and Instrumentation - Discussion

Discussion Forum : Measurements and Instrumentation - Section 4 (Q.No. 28)
Measurements and Instrumentation
28.
To avoid creep in an energy meter
two shading bands are put on shunt magnet
two shading bands are put on series magnet
two holes are cut in the disc on opposite sides of spindle
the potential coil is made of very thin wire
Answer: Option
Explanation:

When a hole comes under a pole of upper electromagnet the disc becomes stationary. Thus creep is avoided.

Discussion:
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