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Current Electricity

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2019
The actual value of resistance R, shown in the figure is 30 $\Omega$.. This is measured in an experiment as shown using the standard formula...
JEE Main Physics Medium
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Q JEE MAIN 2021
The equivalent resistance of the given circuit between the terminals A and B is :
JEE Main Physics Easy
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Q JEE MAIN 2021
The equivalent resistance of the given circuit between the terminals A and B is :
JEE Main Physics Easy
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Q JEE MAIN 2019
The Wheatstone bridge shown in Fig. here, gets balanced when the carbon resistor used as $\mathrm{R}_1$ has the colour code (Orange, Red, Brown). The resistors...
JEE Main Physics Medium
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Q JEE-MAIN 2021
The ratio of the equivalent resistance of the network (shown in figure) between the points a and b when switch is open and switch is...
JEE Main Physics Easy
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Q JEE-MAIN 2021
For full scale deflection of total 50 divisions, 50 mV voltage is required in galvanometer. The resistance of galvanometer if its current sensitivity is 2...
JEE Main Physics Easy
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Q JEE-MAIN 2021
The colour coding on a carbon resistor is shown in the given figure. The resistance value of the given resistor is :
JEE Main Physics Easy
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Q JEE MAIN 2019
For the circuit shown, with $\mathrm{R} 1=1.0 \Omega, \mathrm{R} 2=2.0 \Omega$, $\mathrm{E} 1=2 \mathrm{~V}$ and $\mathrm{E} 2=\mathrm{E} 3=4 \mathrm{~V}$, the potential difference between the points...
JEE Main Physics Hard
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Q JEE MAIN 2019
A steel wire having a radius of 2.0 mm , carrying a load of 4 kg , is hanging from a ceiling. Given that g...
JEE Main Physics Easy
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Q JEE MAIN 2019
A $200 \Omega$ resistor has a certain color code. If one replaces the red color by green in the code, the new resistance will be:
JEE Main Physics Easy
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