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Current Electricity

Get chapter-wise JEE Main & Advanced questions with solutions

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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Q JEE MAIN 2021
A cylindrical wire of radius 0.5 mm and conductivity $5 \times 10^7 \mathrm{~S} / \mathrm{m}$ is subjected to an electric field of 10 $...
JEE Main Physics Medium
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Q JEE MAIN 2022
A liquid of density $750 \mathrm{kgm}^{-3}$ flows smoothly through a horizontal pipe that tapers in cross-sectional area from $A_1=1.2 \times 10^{-2} \mathrm{~m}^2$ to $A_2=\frac{A_1}{2}$. The...
JEE Main Physics Hard
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Q JEE MAIN 2022
" All resistances in figure are "1Omega" each. The value of current ' "l" ' is "(a)/(5)A". The value of "a" is "
JEE Main Physics Hard
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Q JEE-MAIN 2022
In a potentiometer arrangement, a cell of emf 1.20 V gives a balance point at 36 cm length of wire. This cell is now replaced...
JEE Main Physics Easy
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Q JEE MAIN 2022
The current I flowing through the given circuit will be ________A.
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