Question

What is the main disadvantage of a true r.m.s responding voltmeter?

a.

presence of transducer

b.

presence of thermocouple

c.

presence of transformer

d.

presence of oscillator

Posted under Electrical Measurement and Instrumentation

Answer: (b).presence of thermocouple

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Q. What is the main disadvantage of a true r.m.s responding voltmeter?
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