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Current Electricity

Get chapter-wise JEE Main & Advanced questions with solutions

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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Q JEE MAIN 2024
The resistances of the platinum wire of a platinum resistance thermometer at the ice point and steam point are 8 and 10respectively. After inserting in...
JEE Main Physics Medium
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Q JEE MAIN
A galvanometer has a resistance of 50Ω and it allows maximum current of 5mA. It can be converted into voltmeter to measure upto 100V by...
JEE Main Physics Easy
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Q JEE MAIN
The reading in the ideal voltmeter (V) shown in the given circuit diagram is
JEE Main Physics Easy
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Q JEE-Main_2024
Two cells are connected in opposition as shown. Cell $E_1$ is of 8V emf and 2Ω internal resistance; the cell $E_2$ is of 2V emf...
JEE Main Physics Easy
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Q JEE-Main_2024
An electric toaster has resistance of 60Ω at room temperature $\left(27^{\circ} \mathrm{C}\right)$. The toaster is connected to a 220 V supply. If the current flowing...
JEE Main Physics Medium
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Q JEE-Main_2024
A potential divider circuit is shown in figure. The output voltage $\mathrm{V}_0$ is
JEE Main Physics Easy
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Q JEE MAIN 2024
The deflection in moving coil galvanometer falls from 25 divisions to 5 division when a shunt of 24Ω is applied. The resistance of galvanometer coil...
JEE Main Physics Easy
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Q JEE MAIN 2024
A galvanometer having coil resistance 10Ω shows a full scale deflection for a current of 3 mA. For it to measure a current of 8A,...
JEE Main Physics Medium
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Q JEE MAIN 2024
The electric current through a wire varies with time as $I=I_0+\beta \mathrm{t}$. where $I_0=20 \mathrm{~A}$ and $\beta=3 \mathrm{~A} / \mathrm{s}$. The amount of electric charge...
JEE Main Physics Medium
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