Q.
In the circuit shown, zener diode is being used as voltage regulator. The current through the diode is
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a
25.5 mA
b
27.5 mA
c
2.5 mA
d
30 mA
answer is B.
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Detailed Solution
IL=VLRL=5020×103=2.5mA∣ IIN=E−Vz5×103=200−505=30mAIZ=INN−IL⇒IZ=30−2.5=27.5mA
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