Published by:
CGP EDU Academic Team
Published on: September 12, 2026
In a given circuit diagram, a 5V Zener diode along with a series resistance is connected across a 50V power supply. The minimum value of the resistance required, if the maximum Zener current is 90mA will be ____ 
.
Text Solution
Verified by ExpertsThe correct answer is:
500
(500)
Voltage across 
Also voltage across R = 50 − 5 = 45 volt
By 
Current in Zener diode is maximum when 
( 
and 
)
So 
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