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In a general rectifier voltmeter, the meter has low sensitivity because of ___________ of the diode.

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In a general rectifier voltmeter, the meter has low sensitivity because of ___________ of the diode.

(a) low forward resistance

(b) high forward resistance

(c) low reverse impedance

(d) high reverse impedance

The question was posed to me in a national level competition.

My doubt is from The Rectifier Voltmeter in division Application of Diodes of Electronic Devices & Circuits

1 Answer

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Correct choice is (b) high forward resistance

The explanation is: The diode offers high resistance when forward biased. Thus, offering more resistance to the current flow in the circuit. Thus making the meter less sensitive.

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