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Analog Electronics

Q1:
Voltage VL in the circuit when Vs < 0 where D is an ideal diode. (Take R1 = Rs = RL = 1 Ω)

A 0

B 1

C 1.5

D cannot find

ANS:A - 0

if Vs ≥ 0, then id ≥ 0 if Vs < 0 then id < 0, Diode D is replaced by and open ckt and id = 0, hence VL = id . RL = 0.



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