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Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2023
In the given circuit the value of $\left|\frac{I_1+I_3}{I_2}\right|$ is:
JEE Main Physics Easy
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Q JEE MAIN_2023
If a copper wire is stretched to increase its length by 20°%. The percentage increase in resistance of the wire is __________ %.
JEE Main Physics Medium
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Q JEE MAIN_2023
With the help of potentiometer, we can determine the value of emf of a given cell. The sensitivity of the potentiometer is (A) directly proportional...
JEE Main Physics Easy
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Q JEE MAIN 2023
The number of turns of the coil of a moving coil galvanometer is increased in order to increase current sensitivity by 50%. The percentage change...
JEE Main Physics Medium
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Q JEE MAIN 2023
Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R.
Assertion A; For measuring the...
JEE Main Physics Easy
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Q JEE MAIN_2023
A cell of emf 90 V is connected across series combination of two resistors each of $100 \Omega$ resistance. A voltmeter of resistance $400 \Omega$...
JEE Main Physics Medium
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Q JEE MAIN 2023
Equivalent resistance between the adjacent corners of a regular n-sided polygon of uniform wire of resistance R would be:
JEE Main Physics Medium
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Q JEE MAIN 2023
The H amount of thermal energy is developed by a resistor in 10 s when a current of 4A is passed through it. If the...
JEE Main Physics Easy
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Q JEE MAIN 2023
When a resistance of $5 \Omega$ is shunted with a moving coil galvanometer, it shows a fullscale deflection for a current of 250 mA ,...
JEE Main Physics Medium
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Q JEE MAIN 2023
A potential $V_0$ is applied across a uniform wire of resistance $R$. The power dissipation is $P_1$. The wire is then cut into two equal...
JEE Main Physics Medium
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