1.

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 impedanceThe 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

Answer»

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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