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Solution


Q.

A Zener diode of breakdown voltage 10V is used as a voltage regulator as shown in the figure. The current through the Zener diode is               [2024]
1 50 mA  
2 0  
3 30 mA  
4 20 mA  

Ans.

(3)

i1=20-10200=120

i2=10-0500=150

iz=i1-i2=120-150

=3100 A=30 mA