When a zener diode is used as a regulator with zener voltage of 
, nearly five times the load current passes through the zener diode. What should be the series resistance for the zener diode. If load resistance is 
and the unregulated voltage supplied is 
.
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
The current through load resistance is
The current through in the resistance in series
Also, 
Substituting the values of Eqs. (ii), we get
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