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Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE Main 2019
A potentiometer wire $A B$ having length $L$ and resistance $12 r$ is joined to a cell $D$ of emf $\varepsilon$ and internal resistance $r$....
JEE Main Physics Medium
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Q JEE Main 2019
A uniform metallic wire has a resistance of $18 \Omega$ and is bent into an equilateral triangle. Then, the resistance between any two vertices of...
JEE Main Physics Easy
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Q JEE Main 2019
A 2 W carbon resistor is color coded with green, black, red and brown respectively. The maximum current which can be passed through this resistor...
JEE Main Physics Medium
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Q JEE Main 2019
In the given circuit the cells have zero internal resistance. The currents (in amperes) passing through resistance $R_1$ and $R_2$ respectively, are
JEE Main Physics Medium
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Q JEE MAIN 2020
A battery of 3.0 V is connected to a resistor dissipating 0.5 W of power. If the terminal voltage of the battery is 2.5 V,...
JEE Main Physics Easy
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Q JEE MAIN 2020
Four resistances $40 \Omega, 60 \Omega, 90 \Omega$ and $110 \Omega$ make the arms of a quadrilateral ABCD. Across AC is a battery of emf...
JEE Main Physics Medium
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Q JEE MAIN 2020
In a meter bridge experiment S is a standard resistance. R is a resistance wire. It is found that balancing length is l = 25...
JEE Main Physics Medium
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Q JEE MAIN 2020
The value of current i1 flowing from A to C in the circuit diagram is
JEE Main Physics Easy
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Q JEE MAIN 2019
In the given circuit the internal resistance of the 18 V cells is negligible. If $\mathrm{R}_1=400 \Omega, \mathrm{R}_3=100 \Omega$ and $\mathrm{R}_4=500 \Omega$ and the reading...
JEE Main Physics Easy
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Q JEE MAIN 2019
In the experimental set up of metre bridge shown in the figure, the null point is obtained at a distance of 40 cm from A....
JEE Main Physics Medium
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