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QJEE MAIN 2024
The magnetic field at the centre of a wire loop formed by two semicircular wires of radii $\mathrm{R}_1=2 \pi \mathrm{~m}$ and $R_2=4 \pi \mathrm{~m}$ carrying...
JEE MainPhysicsEasy
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QJEE-Main_2025
The truth table for this given circuit is :
JEE MainPhysicsEasy
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QJEE MAIN 2024
A big drop is formed by coalescing 1000 small identical drops of water. If $E_1$ be the total surface energy of 1000 small drops of...
JEE MainPhysicsMedium
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QJEE MAIN 2024
Force between two point charges $\mathrm{q}_1$ and $\mathrm{q}_2$ placed in vacuum at ' $r$ ' cm apart is $F$. Force between them when placed in...
JEE MainPhysicsMedium
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QJEE MAIN 2024
A power transmission line feeds input power at 2.3 kV to a step down transformer with its primary winding having 3000 turns. The output power...
JEE MainPhysicsEasy
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QJEE MAIN 2024
Projectiles A and B are thrown at angles of $45^{\circ}$ and $60^{\circ}$ with vertical respectively from top of a 400 m high tower. If their...
JEE MainPhysicsMedium
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QJEE MAIN 2024
The measured value of the length of a simple pendulum is 20" " cm with 2" " mm accuracy. The time for 50 oscillations was...
JEE MainPhysicsEasy
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QJEE MAIN 2024
A heavy iron bar of weight 12 kg is having its one end on the ground and the other on the shoulder of a man....
JEE MainPhysicsEasy
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QJEE MAIN 2024
A uniform magnetic field of $2 \times 10^{-3} \mathrm{~T}$ acts along positive Y -direction. A rectangular loop of sides 20 cm and 10 cm with...
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