JEE Main 2021PhysicsSemiconductorsMediumNumerical

JEE Main 2021Semiconductors Question with Solution

JEE Main 2021 (26 Aug Shift 2)

Question

For the given circuit, the power across zener diode is _____ mW.

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Show full solutionCorrect answer: 120
Correct answer
120

Step-by-step explanation

i1=141×103=14 mA

i3=105×103=2 mA

i2=i1-i3=12 mA

Power consumed in zener diode

=V×i=0.12 W=120 mW

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About this question

This is a previous-year question from JEE Main 2021, covering the Semiconductors chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.