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Current Electricity

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE-MAIN 2019
Two electric bulbs, rated at (25 W, 220 V) and (100 W, 220 V), are connected in series across a 220 V voltage source. If...
JEE Main Physics Easy
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Q JEE-MAIN 2019
An ideal battery of 4 V and resistance R are connected in series in the primary circuit of a potentiometer of length 1 m and...
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Q JEE MAIN_2019_
A current of 5 A passes through a copper conductor (resistivity $=1.7 \times 10^{-8} \Omega \mathrm{~m}$ ) of radius of cross-section 5 mm . Find...
JEE Main Physics Medium
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Q JEE MAIN_2019_
In a meter bridge experiment, the circuit diagram and the corresponding observation table are shown in figure
JEE Main Physics Easy
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Q JEE-MAIN 2019
In a meter bridge, the wire of length 1 m has a nonuniform cross-section such that, the variation $\frac{\mathrm{dR}}{\mathrm{dl}}$ of its resistance R with length...
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Q JEE MAIN 2019
The galvanometer deflection, when key $K_1$ is closed but $K_2$ is open, equal $\theta_0$ (see figure). On closing $K_2$ also and adjusting $R_2$ to $...
JEE Main Physics Easy
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Q JEE-MAIN 2019
In the figure shown, a circuit contains two identical resistors with resistance $\mathrm{R}=5 \Omega$ and an inductance with $\mathrm{L}=2 \mathrm{mH}$. An ideal battery of 15...
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Q JEE MAIN_2019_
In the given circuit, an ideal voltmeter connected across the $10 \Omega$ resistance reads 2 V. The internal resistance r, of each cell is:
JEE Main Physics Medium
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Q JEE MAIN_2019_
A moving coil galvanometer allows a full scale current of $10^{-4} \mathrm{~A}$. A series resistance of $2 \mathrm{M} \Omega$ is required to convert the above...
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Q JEE MAIN 2020
A galvanometer of resistance G is converted into a voltmeter of range 0 – 1 V by connecting a resistance R1 in series with it....
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