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Q.

From the zener diode circuit shown in the figure, find the current through zener diode.

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a

2.5 mA

b

31.5 mA

c

34 mA

d

25 mA

answer is D.

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Detailed Solution

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From diagram – Load current IL=VzRL=2.5mA

Current through R, I= Voltage drop across RR=34mA

According to Kirchoff’s first law I=Iz+IL⇒Iz=I−IL=31.5mA

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