Alternating Current – JEE Main Previous Year Questions (2015–2025)

All 5 JEE Main previous-year questions from Alternating Current (Physics), 2015–2025, taken from 4 papers. Practise them together in one test with the official marking and answer key, then review every answer.

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Alternating Current questions by paper

Paper	Questions
JEE Main 2025 22 Jan Shift 2	1
JEE Main 2019 8 Apr Shift 1	1
JEE Main 2018 Set B (offline)	2
JEE Main 2015 Set B (offline)	1

Sample questions

JEE Main 2025 22 Jan Shift 2
A series circuit is connected to an alternating source of emf The current amplitude at resonant frequency is ly Ifthe value of resistance becomes twice ofits initial…
JEE Main 2019 8 Apr Shift 1
An alternating voltage 220 sin volt is applied to a purely resistive load of 50 The time taken for the current to rise from half of the peak value to the peak value is…
JEE Main 2018 Set B (offline)
For an circuit driven with voltage of amplitude and frequency 5 the current exhibits resonance The quality factor is given by 1 3 3 4 oO ae 4
JEE Main 2018 Set B (offline)
In an circuit the instantaneous and current are given by 100 sin 20 4 In one cycle of the average power consumed by the circuit and the wattless current are…

Question text shown from the scanned paper; open the test to see each question exactly as printed.

Alternating Current – JEE Main Previous Year Questions (2015–2025)

Alternating Current questions by paper

Sample questions

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