Moving Charges and Magnetism

JEE Main · Physics · 12 past questions

These are the board's own papers. 158 more board questions reprinted in the books we use in class are for signed-in students: sign in.

Q1 2026 2 Apr Shift 1

1 $\mu$C charge moving with velocity $\vec v = (\hat i - 2\hat j + 3\hat k)$ m/s in the region of magnetic…
Q2 2026 2 Apr Shift 2

A particle having charge $10^{-9}$ C moving in $x$-$y$ plane in fields of $0.4\,\hat{j}$ N/C and…
Q3 2026 4 Apr Shift 1

An insulated wire is wound so that it forms a flat coil with $N = 200$ turns. The radius of the innermost…
Q4 2026 4 Apr Shift 2

A solenoid has a core made of material with relative permeability 400. The magnetic field produced in the…
Q5 2026 4 Apr Shift 2

Two identical small bar magnets each of dipole moment $3\sqrt{5}$ J/T are placed at a center to center… (with a figure)
Q6 2026 4 Apr Shift 2

A circular coil of radius 2 cm and 125 turns carries a current of 1 A. The coil is placed in a uniform…
Q7 2026 5 Apr Shift 1

The charged particle moving in a uniform magnetic field of $(3\hat{i} + 2\hat{j})$ T has an acceleration…
Q8 2026 5 Apr Shift 2

A particle of charge $q$ and mass $m$ is projected from origin with an initial velocity…
Q9 2026 6 Apr Shift 1

A small cube of side 1 mm is placed at the centre of a circular loop of radius 10 cm carrying a current of 2…
Q10 2026 6 Apr Shift 2

A current of 30 A each flows in opposite directions in two conducting wires, placed parallel to each other at…
Q11 2026 8 Apr Shift 2

A current carrying circular loop of radius 2 cm with unit normal $\hat{n} = \frac{\hat{k}+\hat{i}}{\sqrt{2}}$…
Q12 2026 8 Apr Shift 2

A 5 mg particle carrying a charge of 5π×10^-6 C is moving with velocity of (3î + 2k̂)×10^-2 m/s in a region…