Published by:
CGP EDU Academic Team
Published on: August 14, 2026
A Zener diode having break down voltage 
is used in a voltage regulator circuit as shown in the figure. The minimum current required to pass through the Zener to act as a voltage regulator is 10 mA and maximum allowed current through Zener is 40 mA. The maximum value of series resistance 
for Zener to act as a voltage regulator is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Given, 
Maximum current
Minimum current
Maximum value of series resistance 
in the voltage regulator circuit is given as
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