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Supply voltage in an energy meter is __________

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in Electrical Measurements by (148k points)
Supply voltage in an energy meter is __________

(a) constant always

(b) zero always

(c) depends on the load

(d) can fluctuate

The question was asked in a national level competition.

The origin of the question is Errors in Single Phase Energy Meters in portion Measurement of Power and Related Parameters of Electrical Measurements

1 Answer

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Best answer
Correct option is (d) can fluctuate

Easiest explanation: Generally the supply voltage is constant in an energy meter. It can fluctuate as a result of unavoidable reasons leading to errors in the reading of the energy meter.

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