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Q JEE MAIN_2023
A wire of length 1 m moving with velocity 8 m/s at right angles to a magnetic field of 2T. The magnitude of induced emf,...
JEE Main Physics Easy
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Q JEE MAIN 2023
A circular loop of radius r is carrying current I A. The ratio of magnetic field at the centre of circular loop and at a...
JEE Main Physics Medium
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Q JEE MAIN_2023
A square loop of area $25 \mathrm{~cm}^2$ has a resistance of $10 \Omega$. The loop is placed in uniform magnetic field of magnitude 40.0 T...
JEE Main Physics Easy
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Q JEE MAIN_2023
Three identical resistors with resistance $\mathrm{R}=12 \Omega$ and two identical inductors with sell inductance L = 5 mH are connected to an ideal battery with...
JEE Main Physics Medium
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Q JEE MAIN 2023
A square shaped coil of area $70 \mathrm{~cm}^2$ having 600 turns rotates in a magnetic field of $0.4 \mathrm{wbm}^{-2}$, about an axis which is parallel...
JEE Main Physics Medium
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Q JEE MAIN 2023
A coil is placed in magnetic field such that plane of coil is perpendicular to the direction of magnetic field. The magnetic flux through a...
JEE Main Physics Medium
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Q JEE MAIN_2023
A long solenoid is formed by winding 70 turns cm–1. If 2.0 A current flows, then the magnetic field produced inside the solenoid is ___________....
JEE Main Physics Easy
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Q JEE MAIN 2023
n the given figure, an inductor and a resistor are connected in series with a battery of emf E volt. $\frac{E^a}{2 b} \mathrm{~J} /$ s...
JEE Main Physics Hard
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Q JEE MAIN 2023
A conducting circular loop is placed in a uniform magnetic field of 0.4 T with its plane perpendicular to the field. Somehow, the radius of...
JEE Main Physics Medium
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Q JEE MAIN 2023
A 20 cm long metallic rod is rotated with 210 rpm about an axis normal to the rod passing through its one end. The order...
JEE Main Physics Medium
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