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Saturday, 31 October

JEE Main 2023 · PhysicsNumerical answerNumerical valueMediumCalculation

JEE Main 15 April 2023, Shift 1, Physics Q60

Question 60 of 90 in this shift, Physics question 30 of 30, Section B.

A network of four resistances is connected to 9 V battery, as shown in figure. The magnitude of voltage difference between the points A and B is ____________ V.

The figure, in words

Wheatstone-bridge-like diamond network with nodes A (top), B (bottom), a left node and a right node. Resistors: A to left node 2 ohm, A to right node 4 ohm, left node to B 4 ohm, right node to B 2 ohm. A 9 V battery connects the left node to the right node along the bottom.

Official answer

3

NTA final key.

Chapter
Current Electricity
Topic
Wheatstone Bridge
Idea tested
Unbalanced Bridge Analysis

Same idea in other shifts

Asked 4× in all
  1. 17 Mar 2021, Shift 2 · Q16The four arms of a Wheatstone bridge have resistances as shown in the figure. A galvanometer of 15 Ω\Omega resistance is connected across…HardDiagram basedHas a figure
  2. 9 Jan 2020, Shift 1 · Q20In the given circuit diagram, a wire is joining points B and D. The current in this wire is :MediumDiagram basedHas a figure
  3. 4 Sep 2020, Shift 2 · Q23Four resistances 40 Ω\Omega, 60 Ω\Omega, 90 Ω\Omega and 110 Ω\Omega make the arms of a quadrilateral ABCD. Across AC is a battery of…EasyNumerical valueHas a figure

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. This question needs a figure we do not reproduce; it is described in words above. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.