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Current Electricity

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2021
For the circuit shown, the value of current at time t = 3.2 s will be _____A.
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Q JEE-MAIN 2021
If you are provided a set of resistances $2 \Omega, 4 \Omega, 6 \Omega$ and $8 \Omega$. Connect these resistances so as to obtain an...
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Q JEE MAIN 2021
The resistance of a conductor at 15ºC is 16 $\Omega$ at 100ºC is 20$\Omega$ What will be the temperature coefficient of resistance of the conductor?
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Q JEE MAIN 2021
A $16 \Omega$ wire is bend to form a square loop. A 9 V supply having internal resistance of $1 \Omega$ is connected across one...
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Q JEE-MAIN 2021
Two resistors $\mathrm{R}_1=(4 \pm 0.8) \Omega$ and $\mathrm{R}_2=(4 \pm 0.4) \Omega$ are connected in parallel. The equivalent resistance of their parallel combination will be :
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Q JEE MAIN 2021
The given potentiometer has its wire of resistance $10 \Omega$. When the sliding contact is in the middle of the potentiometer wire, the potential drop...
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Q JEE-MAIN 2021
An electric bulb rated as 200 W at 100 V is used in a circuit having 200 V supply. The resistance ‘R’ that must be...
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Q JEE MAIN 2021
In the given potentiometer circuit arrangement, the balancing length AC is measured to be 250 cm . When the galvanometer connection is shifted from point...
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Q JEE-MAIN 2021
In the given figure, there is a circuit of potentiometer of length AB = 10 m. The resistance per unit length is 0.1 $\Omega$ per...
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Q JEE MAIN 2021
In an electric circuit, a call of certain emf provides a potential difference of 1.25 V across a load resistance of $5 \Omega$. However, it...
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