JEE Main 2019PhysicsCurrent ElectricityElectric Cell Or BatterymediumMCQ

JEE Main 2019 — Current Electricity Question with Solution

From: JEE Main 2019 (Online) 8th April Morning Slot

Question

For the circuit shown, with R1 = 1.0W, R2 = 2.0 W, E1 = 2 V and E2 = E3 = 4 V, the potential difference between the points 'a' and 'b' is approximately (in V): JEE Main 2019 (Online) 8th April Morning Slot Physics - Current Electricity Question 258 English

This question includes a diagram. The text above accompanies the figure.

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Show full solutionCorrect option: A
Correct answer
A3.3

Step-by-step explanation

Given circuit is

JEE Main 2019 (Online) 8th April Morning Slot Physics - Current Electricity Question 258 English Explanation 1

Above circuit can be viewed as

JEE Main 2019 (Online) 8th April Morning Slot Physics - Current Electricity Question 258 English Explanation 2

This is a parallel combination of three cells or in other words, a parallel grouping of three cells with internal resistances.

So,

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About this question

This is a previous-year question from JEE Main 2019, covering the Current Electricity 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.