Discussion :: Measurements and Instrumentation
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To avoid creep in an energy meter
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A.
two shading bands are put on shunt magnet
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B.
two shading bands are put on series magnet
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C.
two holes are cut in the disc on opposite sides of spindle
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D.
the potential coil is made of very thin wire
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Answer : Option C
Explanation :
When a hole comes under a pole of upper electromagnet the disc becomes stationary. Thus creep is avoided.
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