JEE Main 2024 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 5 April 2024, Shift 2, Physics Q41

Question 41 of 90 in this shift, Physics question 11 of 30, Section A.

A series LCR circuit is subjected to an ac signal of 200 V, 50 Hz. If the voltage across the inductor (L=10 mH) is 31.4 V, then the current in this circuit is ________.

(1)10 AOfficial answer
(2)10 mA
(3)63 A
(4)68 A

Official answer

Option 1

NTA final key.

Chapter: Alternating Current
Topic: Phasor Diagrams
Idea tested: Voltage Phasor Resolution

Same topic in other shifts

All Phasor Diagrams questions

2 Apr 2026, Shift 2 · Q42The figure given below shows an LCR series circuit with two switches $S_1$ and $S_2$ . When switch $S_1$ is closed keeping $S_2$ open, the…HardSingle correctHas a figure
4 Apr 2026, Shift 1 · Q50An inductor of $10$ mH, capacitor of $0.1\ \mu$ F and a resistor of $100\ \Omega$ are connected in series across an $a.c$ power supply…MediumNumerical value
5 Apr 2026, Shift 1 · Q44An a.c. source of angular frequency $\omega$ is connected across a resistor $R$ and a capacitor $C$ in series. The current is observed as…MediumSingle correct
6 Apr 2026, Shift 1 · Q45A LCR series circuit driven with $E_{rms}=90$ V at frequency $f_d=30$ Hz has resistance $R=80\ \Omega$ , an inductance with inductive…EasySingle correct
4 Apr 2025, Shift 2 · Q48An inductor of self inductance 1 H is connected in series with a resistor of $100\,\pi$ ohm and an ac supply of $100\,\pi$ volt, 50 Hz.…MediumNumerical value
7 Apr 2025, Shift 1 · Q49For ac circuit shown in figure, R = 100 k $\Omega$ and C = 100 pF and the phase difference between $\mathrm{V_{in}}$ and…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. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.