A square loop of side 1 m and resistance 1 Ω is placed in a magnetic field of 0.5 T. If the plane of loop is perpendicular to the direction of magnetic field, the magnetic flux through the loop is :

1. zero weber

2. 2 weber

3. 0.5 weber

4. 1 weber

Doubtly Asked 30 Oct 2026 NEET UG 2022 Practice test neet Save WhatsApp Report

1 answer

Best answer

Answer: 3. 0.5 weber

Flux is \(\phi=BA\cos\theta\). The plane of the loop is perpendicular to the field, so the normal is parallel to \(B\) and \(\theta=0\).

\(\phi=0.5\times(1\times1)=0.5\ \text{Wb}\). Option (3). The resistance is not needed.

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report

Was this answer helpful?