JEE Main 2023 · PhysicsNumerical answerNumerical valueMediumCalculation

JEE Main 11 April 2023, Shift 2, Physics Q59

Question 59 of 90 in this shift, Physics question 29 of 30, Section B.

Two identical cells each of emf

1.5\ \mathrm{V}

are connected in series across a

10\ \Omega

resistance. An ideal voltmeter connected across

10\ \Omega

resistance reads

1.5\ \mathrm{V}

. The internal resistance of each cell is ____________

\Omega

Official answer

NTA final key.

Chapter: Current Electricity
Topic: Kirchhoff's Laws
Idea tested: Cell EMF and Internal Resistance

Same idea in other shifts

Asked 10× in all

5 Apr 2026, Shift 2 · Q49When an external resistance of 5 $\Omega$ is connected across terminals of a cell, a current of 0.25 A flows through it. When the 5…EasyNumerical value
8 Apr 2024, Shift 1 · Q40In the given circuit, the terminal potential difference of the cell is :EasySingle correctHas a figure
31 Jan 2024, Shift 2 · Q56In the following circuit, the battery has an emf of 2V and an internal resistance of $\frac{2}{3}\Omega$ . The power consumption in the…MediumNumerical valueHas a figure
27 Jul 2022, Shift 1 · Q41Two sources of equal emfs are connected in series. This combination is connected to an external resistance R. The internal resistances of…MediumSingle correct
30 Jul 2022, Shift 2 · Q24A cell sends a current through a resistance 4 Ω for time t and sends current through another resistance 16 Ω for the same time t.If the…MediumNumerical value
27 Aug 2021, Shift 1 · Q26First, a set of n equal resistors of 10 $\Omega$ each are connected in series to a battery of emf 20 V and internal resistance 10…MediumNumerical value
22 Jul 2021, Shift 2 · Q27In an electric circuit, a cell of certain emf provides a potential difference of 1.25 V across a load resistance of 5 $\Omega$ . However,…EasyNumerical value
17 Mar 2021, Shift 2 · Q2Two cells of emf 2E and E with internal resistance $\mathrm{r_1}$ and $\mathrm{r_2}$ respectively are connected in series to an external…MediumDiagram basedHas 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. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.