Question

Input Impedance of an electronic Voltmeter

Answer 1

Answer:

The electronic voltmeter has high input impedance because of which it detects the signals of very weak strength, hence gives theaccurate reading. The high impedance means the circuit opposes the input supply. The electronic voltmeter uses the transistor or vacuum tube.

INPUT IMPENDANCE :

Input impendance of an electric network is the measure of the opposite to current (impendance) , static (resistance) and dynamic ( reactance) into the load network that is external to the electrical source

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