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Current Electricity

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2021
In the experiment of Ohm's law, a potential difference of 5.0 V is applied across the end of a conductor of length 10.0 cm and...
JEE Main Physics Medium
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Q JEE MAIN 2021
A current of 6 A enters one corner P of an equilateral triangle PQR having 3 wires of resistance 2Ω each and leaves by the...
JEE Main Physics Easy
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Q JEE MAIN 2021
The resistance $R=\frac{V}{I}$, where $V=(50 \pm 2) V$ and $I=(20 \pm 0.2) A$. The percentage error in $R$ is ' $x$ ' $\%$. The value...
JEE Main Physics Easy
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Q JEE MAIN 2021
In the figure given, the electric current flowing through the $5 \mathrm{k} \Omega$ resistor is ' x ' mA .
JEE Main Physics Easy
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Q JEE MAIN 2021
A wire of 1 W has a length of 1 m . It is stitched till its length increases by $25 \%$. The percentage change...
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Q JEE MAIN 2021
Five equal resistances are connected in a network as shown in figure. The net resistance between the points A and B is :
JEE Main Physics Easy
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Q JEE MAIN 2021
A cell $E_1$ of emf 6 V and internal resistance $2 \Omega$ is connected with another cell E2 of emf 4 V and internal resistance...
JEE Main Physics Easy
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Q JEE MAIN 2021
A current through a wire depends on time as $\mathrm{i}=\alpha_0 t +\beta t^2$ where $\alpha_0=20 \mathrm{~A} / \mathrm{s}$ and $\beta=8 \mathrm{As}^{-2}$. Find the charge crossed...
JEE Main Physics Easy
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Q JEE MAIN 2021
In the given circuit of potentiometer, the potential difference $E$ across $A B(10 m$ length $)$ is larger than $E_1$ and $E_2$ as well. For...
JEE Main Physics Medium
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Q JEE MAIN 2021
The current (i) at time $t=0$ and $t=\infty$ respectively for the given circuit is
JEE Main Physics Easy
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