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Loading effect in electronic voltmeters is __________

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+1 vote
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in Electrical Measurements by (148k points)
Loading effect in electronic voltmeters is __________

(a) nil

(b) high

(c) low

(d) medium

The question was asked in examination.

I would like to ask this question from Advantages of Electronic Instruments in portion Electronic Instruments of Electrical Measurements

1 Answer

+1 vote
by (541k points)
The correct option is (a) nil

Easiest explanation: In an electronic voltmeter as the power is supplied by an external circuit, there is no loading effect. In a PMMC instrument, a minimum current of 50 µA is obtained from the signal that is to be measured and this leads to loading effect.

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