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Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2020
In the given circuit diagram, a wire is joining points B and D. The current in this wire is:
JEE Main Physics Medium
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Q JEE MAIN 2019
The resistance of the metre bridge AB in given figure is $4 \Omega$. With a cell of emf $\varepsilon=0.5 \mathrm{~V}$ and rheostat resistance $\mathrm{Rh}=2 \Omega$...
JEE Main Physics Medium
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Q JEE MAIN 2020
Four resistances of $15 \Omega, 12 \Omega, 4 \Omega$ and $10 \Omega$ respectively in cyclic order to form Wheatstone's network. The resistance that is to...
JEE Main Physics Medium
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Q JEE MAIN 2020
A galvanometer is used in laboratory for detecting the null point in electrical experiments. If, on passing a current of 6 mA it produces a...
JEE Main Physics Easy
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Q JEE MAIN 2020
An electrical power line, having a total resistance of $2 \Omega$, delivers 1 kW at 220 V . The efficiency of the transmission line is...
JEE Main Physics Easy
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Q JEE MAIN 2019
In a Wheatstone bridge (see fig.), Resistances P and Q are approximately equal. When R $=400 \Omega$, the bridge is balanced. On interchanging P and...
JEE Main Physics Easy
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Q JEE MAIN 2019
Two equal resistances when connected in series to a battery, consume electric power of 60 W. If these resistances are now connected in parallel combination...
JEE Main Physics Medium
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Q JEE MAIN 2019
In the circuit shown,

the switch $S_1$ is closed at time $t=0$ and the switch...
JEE Main Physics Hard
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Q JEE-MAIN 2020
SOLVE this
JEE Main Physics Easy
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Q JEE MAIN 2020
The length of a potentiometer wire is 1200 cm and it carries a current of 60 mA . For a cell of emf 5 V...
JEE Main Physics Medium
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