JEE Main 2021 · PhysicsNumerical answerNumerical valueEasyCalculation

JEE Main 18 March 2021, Shift 1, Physics Q23

Question 23 of 90 in this shift, Physics question 23 of 30, Section B.

The voltage across the 10

\Omega

resistor in the given circuit is

x

volt. The value of 'x' to the nearest integer is __________.

The figure, in words

Series circuit: 170 V battery, 10 ohm resistor in series with a parallel combination of 50 ohm and 20 ohm resistors.

Official answer

NTA final key.

Chapter: Current Electricity
Topic: Kirchhoff's Laws
Idea tested: Voltage Divider Rule

Same topic in other shifts

All Kirchhoff's Laws questions

2 Apr 2026, Shift 2 · Q38Two resistors of 200 $\Omega$ and 400 $\Omega$ are connected in series with a battery of 100 V. A bulb rated at 200 V, 100 W is connected…MediumSingle correct
4 Apr 2026, Shift 1 · Q43The voltage and the current between $A$ and $B$ points shown in the circuit are ______.MediumDiagram basedHas a figure
5 Apr 2026, Shift 1 · Q34Refer to the figure given below. The values of $I_1$ , $I_2$ and $I_3$ are ________.MediumDiagram basedHas a figure
5 Apr 2026, Shift 1 · Q38Refer to the figure given below, current between terminals $A$ and $B$ is ________ A.MediumDiagram basedHas a figure
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
6 Apr 2026, Shift 1 · Q46Refer to the circuit diagram given below. The heat generated across the $6\ \Omega$ resistance in 100 second is $\frac{\alpha}{100}$ J.…HardNumerical 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 42 of the 174 JEE Main shifts held from 2017 to 2026.