Q. 30 In the circuit shown below, the knee current of the ideal Zener dioide is 10 mA. To maintain 5 V across 
, the minimum value of in 
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
Answer: B
Explanation:
