JEE Main 2023 · PhysicsNumerical answerNumerical valueEasyCalculation

JEE Main 8 April 2023, Shift 1, Physics Q57

Question 57 of 90 in this shift, Physics question 27 of 30, Section B.

An oscillating LC circuit consists of a

75\ \mathrm{mH}

inductor and a

1.2\ \mu\mathrm{F}

capacitor. If the maximum charge to the capacitor is

2.7\ \mu\mathrm{C}

. The maximum current in the circuit will be ________ mA.

Official answer

NTA final key.

Chapter: Alternating Current
Topic: LCR Resonance
Idea tested: LC Energy Oscillation at Resonance

Same idea in other shifts

Asked 3× in all

29 Jan 2024, Shift 1 · Q43A capacitor of capacitance $100\ \mu$ F is charged to a potential of 12 V and connected to a 6.4 mH inductor to produce oscillations. The…EasySingle correct
29 Jul 2022, Shift 2 · Q60A capacitor of capacitance 500 $\mu$ F is charged completely using a dc supply of 100 V. It is now connected to an inductor of inductance…EasyNumerical value

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.