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Current Electricity

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2022
An aluminium wire is stretched to make its length, 04% larger. Then percentage change in resistance is:
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Q JEE MAIN 2022
A sliver wire has mass $(0.6 \pm 0.006) \mathrm{g}$, radius $(0.5 \pm 0.005)$ mm and length $(4 \pm 0.04)$ cm. The maximum percentage error in...
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Q JEE MAIN 2022
Two identical cells each of emf 1.5 V are connected in parallel across a parallel combination of two resistors each of resistance 20$\Omega$. A voltmeter...
JEE Main Physics Medium
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Q JEE-Main_2024
In the given circuit, the current in resistance $R_3$ is i.
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Q JEE MAIN 2024
In a metre-bridge when a resistance in the left gap is 2Ω and unknown resistance in the right gap, the balance length is found to...
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Q JEE MAIN 2024
By what percentage will the illumination of the lamp decrease if the current drops by 20% ?
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Q JEE MAIN 2024
Two resistance of $100 \Omega$ and $200 \Omega$ are connected in series with a battery of 4 V and negligible internal resistance. A voltmeter is...
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Q JEE MAIN 2024
The resistance per centimeter of a meter bridge wire is r , with $\mathrm{X} \Omega$ resistance in left gap. Balancing length from left end is...
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Q JEE MAIN 2024
When a potential difference V is applied across a wire of resistance R, it dissipates energy at a rate W. If the wire is cut...
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Q JEE MAIN 2024
Three voltmeters, all having different internal resistances are joined as shown in figure. When some potential difference is applied across A and B , their...
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