A rectifier type AC voltmeter consists of a series resistance R, an ideal full-wave rectifier bridge and a PMMC instrument. A DC current of 1 mA produces a full-scale deflection of the instrument. The resistance of the instrument is 100 Ω. A voltage of 100 V (rms) is applied to the input terminals. The value of R required is?
(a) 63.56 Ω
(b) 89.83 Ω
(c) 89.83 kΩ
(d) 141.3 kΩ
I had been asked this question by my college professor while I was bunking the class.
Question is taken from Problems Involving Standard Time Functions in division Application of the Laplace Transform in Circuit Analysis of Network Theory
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