A uniform magnetic field of 2 × 10⁻³ ~T acts along positive Y -direction. A rectangular loop of sides 20 ~cm and 10 ~cm with current of 5 ~A is in Y-Z plane. The current is in anticlockwise sense with reference to negative X axis. Magnitude and direction of the torque is:

(A) 2 × 10⁻⁴ ~N - m along negative Z -direction

(B) 2 × 10⁻⁴ ~N - m along positive X -direction

(C) 2 × 10⁻⁴ ~N - m along positive Y -direction

(D) 2 × 10⁻⁴ ~N - m along positive Z -direction

Magnetic Effects of Current and Magnetism: JEE Main 2024 Physics question

JEE Main 2024 · 31 Jan, Evening shift · Q7717

JEE Main 202431 Jan, Evening shiftPhysicsMediumMagnetic Effects of Current and Magnetism165× since 2002

A uniform magnetic field of

2 \times 10^{-3} \mathrm{~T}

acts along positive

Y

-direction. A rectangular loop of sides

20 \mathrm{~cm}

and

10 \mathrm{~cm}

with current of

5 \mathrm{~A}

is in

Y-Z

plane. The current is in anticlockwise sense with reference to negative

X

axis. Magnitude and direction of the torque is:

JEE Main 2024 Magnetic Effects of Current and Magnetism Question with Solution (31 Jan Evening shift, Q7717) | JEE Arc