4 JEE Main 2018 Alternating Current previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2018 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 ideal capacitor of capacitance 0 .2   μF is charged to a potential difference of 10   V . The chargin…
A power transmission line feeds input power at   2300   V to a step-down transformer with its primary winding…
In an A.C. circuit, the instantaneous e.m.f. and current are given by, E = 100 sin 30 t , I = 20 sin 30 t - π 4 .…
For an RLC circuit driven with voltage of amplitude v m and frequency ω 0 = 1 L C the current exhibits resonance.…