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Current Electricity

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2022
A cell, shunted by a 8 $\Omega$ resistance, is balanced across a potentiometer wire of length 3m. The balancing length is 2 m when the...
JEE Main Physics Medium
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Q JEE MAIN 2022
A 220 V, 50 Hz AC source is connected to a 25 V, 5 W lamp and an additional resistance R in series (as shown...
JEE Main Physics Medium
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Q JEE MAIN 2022
Current measured by the ammeter (A) in the reported circuit when no current flows through $10 \Omega$ resistance. will be $\_\_\_\_$ A.
JEE Main Physics Easy
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Q JEE MAIN 2022
In a potentiometer arrangement, a cell gives a balancing point at 75 cm length of wire. This cell is now replaced by another cell of...
JEE Main Physics Medium
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Q JEE MAIN 2022
A meter bridge setup is shown in the figure. It is used to determine an unknown resistance R using a given resistor of $15 \Omega$....
JEE Main Physics Hard
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Q JEE MAIN 2022
The total current supplied to the circuit as shown in figure by the 5V battery is __________A
JEE Main Physics Medium
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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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