13. In the circuit of Fig. the 5V zener diode requires a

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13. In the circuit of Fig. the 5V zener diode requires a minimum current of 10 mA. For obtaining a regulated output of 5 V, the maximum permissible load current I_L is ……… and the minimum power rating of zener diode is …….

1. 40 mA, 0·05 W
2. 20 mA, 0·05 W
3. 40 mA, 0·5 W
4. 20 mA, 0·5 W

Correct Option: A

NA