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Current Electricity

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2022
A resistor develops 300 J of thermal energy in 15s, when a current of 2A is passed through it. If the current increases to 3A,...
JEE Main Physics Easy
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Q JEE-Main_2024
In the given circuit, the current flowing through the resistance $20 \Omega$ is 0.3 A , while the ammeter reads 0.9 A. The value of...
JEE Main Physics Medium
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Q JEE MAIN 2022
A teacher in his physics laboratory allotted an experiment to determine the resistance (G) of a galvanometer. Students took the observations for $\frac{1}{3}$ deflection in...
JEE Main Physics Medium
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Q JEE MAIN 2022
A 72 $\Omega$ galvanometer is shunted by a resistance of 8 $\Omega$. The percentage of the total current which passes through the galvanometer is :
JEE Main Physics Easy
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Q JEE MAIN 2022
An aluminium wire is stretched to make its length, 04% larger. Then percentage change in resistance is:
JEE Main Physics Easy
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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...
JEE Main Physics Easy
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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.
JEE Main Physics Easy
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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...
JEE Main Physics Medium
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Q JEE MAIN 2024
By what percentage will the illumination of the lamp decrease if the current drops by 20% ?
JEE Main Physics Easy
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