JEE Main 2023 · PhysicsMultiple choiceSingle correctEasyApplication

JEE Main 11 April 2023, Shift 1, Physics Q41

Question 41 of 90 in this shift, Physics question 11 of 30, Section A.

A parallel plate capacitor of capacitance 2 F is charged to a potential V, The energy stored in the capacitor is

E_1

. The capacitor is now connected to another uncharged identical capacitor in parallel combination. The energy stored in the combination is

E_2

. The ratio

E_2/E_1

is :

(1)1 : 2Official answer
(2)2 : 1
(3)2 : 3
(4)1 : 4

Official answer

Option 1

NTA final key.

Chapter: Electrostatic Potential and Capacitance
Topic: Parallel Plate Capacitors
Idea tested: Charge Sharing and Heat Loss

Same idea in other shifts

Asked 4× in all

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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 42 of the 174 JEE Main shifts held from 2017 to 2026.