Electrical Engineering > GATE 2013 SET-1 > Zener Diodes
In the circuit shown below, the knee current of the ideal Zener diode is 10 mA. To maintain 5 V across RL, the minimum value of R1 in Ω and the minimum power rating of the Zener diode in mW respectively are:
A
125 and 125
B
125 and 250
C
250 and 125
D
250 and 250

Correct : d

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