JEE Main 2025 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 3 April 2025, Shift 2, Physics Q37

Question 37 of 75 in this shift, Physics question 12 of 25, Section A.

An electric bulb rated as 100W-220V is connected to an ac source of rms voltage 220V. The peak value of current through the bulb is :

(1)0.45 A
(2)0.32 A
(3)0.64 AOfficial answer
(4)2.2 A

Official answer

Option 3

NTA final key.

Chapter: Alternating Current
Topic: RMS and Peak Values
Idea tested: Sinusoidal RMS-Peak Relation

Same topic in other shifts

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Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.