Contact us
Back

Report Issue

Alternating Current

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2022
If wattless current flows in the AC circuit, then the circuit is
JEE Main Physics Easy
View Solution →
Q JEE MAIN 2024
A coil of 200 turns and area $0.20 \mathrm{~m}^2$ is rotated at half a revolution per second and is placed in uniform magnetic field of...
JEE Main Physics Medium
View Solution →
Q JEE MAIN 2024
A series $L C R$ circuit with $L=\frac{100}{\pi} \mathrm{mH}, \mathrm{C}=\frac{10^{-3}}{\pi} \mathrm{~F}$ and $\mathrm{R}=10 \Omega$, is connected across an ac source of $220 \mathrm{~V}, 50 \mathrm{~Hz}$...
JEE Main Physics Medium
View Solution →
Q JEE MAIN 2024
A transformer has an efficiency of 80% and works at 10 V and 4 kW. If the secondary voltage is 240 V, then the current...
JEE Main Physics Medium
View Solution →
Q JEE-Main_2024
In an a.c. circuit, voltage and current are given by. $\mathrm{V}=100 \sin (100 \mathrm{t}) \mathrm{V}$ and $I=100 \sin \left(100 \mathrm{t}+\frac{\pi}{3}\right) \mathrm{mA}$ respectively The average power...
JEE Main Physics Easy
View Solution →
Q JEE MAIN 2024
An $A C$ voltage $V=20 \sin 200 \pi t$ is applied to a series $L C R$ circuit which drives a current $...
JEE Main Physics Easy
View Solution →
Q JEE MAIN 2024
A power transmission line feeds input power at 2.3 kV to a step down transformer with its primary winding having 3000 turns. The output power...
JEE Main Physics Easy
View Solution →
Q JEE MAIN 2024
Primary side of a transformer is connected to 230 V,50 Hz supply. Turns ratio of primary to secondary winding is 10:1. Load resistance connected to...
JEE Main Physics Easy
View Solution →
Q JEE MAIN 2024
An alternating voltage $V(t)=220 \sin 100 \pi t$ volt is applied to a purely resistive load of $50 \Omega$. The time taken for the current...
JEE Main Physics Easy
View Solution →
Q JEE MAIN_2023
A series LCR circuit is connected to an AC source of 220 V, 50 Hz. The circuit contains a resistance R = $80 \Omega$,, an...
JEE Main Physics Easy
View Solution →