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Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN_2023
A null point is found at 200 cm in potentiometer when cell in secondary circuit is shunted by $5 \Omega$. When a resistance of $...
JEE Main Physics Easy
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Q JEE MAIN 2023
For the given circuit, in the steady state, $\left|\mathrm{V}_{\mathrm{B}}-\mathrm{V}_{\mathrm{D}}\right|=$ $\_\_\_\_$ V.
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Q JEE MAIN_2023
When two resistance $\mathrm{R}_1$ and $\mathrm{R}_2$ connected in series and introduced into the left gap of a meter bridge and a resistance of $10 \Omega$...
JEE Main Physics Easy
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Q JEE MAIN 2023
A water heater of power 2000 W is used to heat water. The specific heat capacity of water is $4200 \mathrm{~J} \mathrm{~kg}^{-} { }^1 \mathrm{~K}^{-1}$....
JEE Main Physics Medium
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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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