10 JEE Main 2025 Alternating Current previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2025 previous-year questions from the Alternating Current chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Alternating Current chapter hub.
An inductor of reactance 100 Ω, a capacitor of reactance 50 Ω, and a resistor of resistance 50 Ω are connected in serie…
An inductor of self inductance 1 H connected in series with a resistor of 100 π ohm and an ac supply of 100 π volt, 50…
A series LCR circuit is connected to an alternating source of emf E. The current amplitude at resonant frequency is I₀.…
For ac circuit shown in figure, R=100 k Ω and C=100 pF and the phase difference between Vin and (VB-VA ) is 90ⁱrc. The…
An alternating current is given by I=IA ω t+IB ω t. The r.m.s current will be
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A…
An electric bulb rated as 100 ~W-220 ~V is connected to an ac source of rms voltage 220 V. The peak value of current th…
In a series LCR circuit, a resistor of 300 Ω, a capacitor of 25 nF and an inductor of 100 mH are used. For maximum curr…
An alternating current is represented by the equation, i=100 √(2) (100 π t) ampere. The RMS value of current and the fr…
An ac current is represented as i=5 √(2)+10 (650 π t+(π)/(6) ) Amp The r.m.s value of the current is