23 JEE Main 2025 Magnetic Effects of Current previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2025 previous-year questions from the Magnetic Effects of Current chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Magnetic Effects of Current chapter hub.
Two long parallel wires X and Y, separated by a distance of 6 cm , carry currents of 5A and 4A, respectively, in opposi…
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R . Assertion A: . I…
Consider a moving coil galvanomenter (MCG): A. The torsional constant in moving coil galvanometer has dimentions [ML² ~…
A current of 5A exists in a square loop of side 1√(2) ~m. Then the magnitude of the magnetic field B at the centre of t…
Consider a long thin conducting wire carrying a uniform current I. A particle having mass " M " and charge " q " is rel…
A tightly wound long solenoid carries a current of 1.5 A . An electron is executing uniform circular motion inside the…
In a moving coil galvanometer, two moving coils M₁ and M₂ have the following particulars : $\begin{aligned} & \mathrm{R…
Let B₁ be the magnitude of magnetic field at center of a circular coil of radius R carrying current I. Let B₂ be the ma…
Uniform magnetic fields of different strengths (B₁ . and B₂), both normal to the plane of the paper exist as shown in t…
A particle of charge 1.6 µ C and mass 16 µ ~g is present in a strong magnetic field of 6.28 T. The particle is then fir…
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