JEE Main 2024 · PhysicsNumerical answerNumerical valueMediumCalculation

JEE Main 30 January 2024, Shift 2, Physics Q56

Question 56 of 90 in this shift, Physics question 26 of 30, Section B.

Two resistance of

100\ \Omega

and

200\ \Omega

are connected in series with a battery of

4\ V

and negligible internal resistance . A voltmeter is used to measure voltage across

100\ \Omega

resistance, which gives reading as

1\ V

. The resistance of voltmeter must be ________

\Omega

Official answer

200

NTA final key.

Chapter: Current Electricity
Topic: Kirchhoff's Laws
Idea tested: Voltmeter Loading Effect

Same topic in other shifts

All Kirchhoff's Laws questions

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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.