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Current Electricity

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2023
The drift velocity of electrons for a conductor connected in an electrical circuit is Vd . The conductor in now replaced by another conductor with...
JEE Main Physics Easy
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Q JEE MAIN 2023
The charge flowing in a conductor changes with time as $\mathrm{Q}(\mathrm{t})=\alpha \mathrm{t}-\beta \mathrm{t}^2+\gamma \mathrm{t}^3$. Where $\alpha, \beta$ and $\gamma$ are constants. Minimum value of current...
JEE Main Physics Easy
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Q JEE MAIN
A wire of resistance R and radius r is stretched till its radius became r/2. If new resistance of the stretched wire is x, then...
JEE Main Physics Medium
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Q JEE MAIN
In the given circuit, the terminal potential difference of the cell is :
JEE Main Physics Medium
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Q JEE MAIN
The value of unknown resistance (x) for which the potential difference between B and D will be zero in the arrangement shown, is :
JEE Main Physics Medium
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Q JEE MAIN 2024
In the experiment to determine the galvanometer resistance by half-deflection method, the plot of 1/θ vs the resistance (R) of the resistance box is shown...
JEE Main Physics Medium
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Q JEE MAIN 2024
Twelve wires each having resistance $2 \Omega$ are joined to form a cube. A battery of 6 V emf is joined across point a and...
JEE Main Physics Medium
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Q JEE MAIN
The current in a conductor is expressed as $I=3 t^2+4 t^3$, where I is in Ampere and t is in second. The amount of electric...
JEE Main Physics Easy
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Q JEE MAIN 2024
In the given figure R_1=10Ω,R_2=8Ω,R_3=4Ω and R_4=8Ω. Battery is ideal with emf 12" " V. Equivalent resistant of the circuit and current supplied by battery...
JEE Main Physics Medium
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Q JEE MAIN 2024
To measure the internal resistance of a battery, potentiometer is used. For $\mathrm{R}=10 \Omega$, the balance point is observed at $\ell=500 \mathrm{~cm}$ and for $...
JEE Main Physics Hard
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