JEE Main Physics · Moving Charges and Magnetism

Field at center of circular arc

Field at center of circular arc (Moving Charges and Magnetism) was asked 2 times in 2 JEE Main shifts, 2024–2025, out of the 42 shifts Lumi analysed. 2 of the 2 had a numerical answer.

Times asked: 2; in 2 shifts
Years: 2024–2025
Usual format: Numerical value; Multi-step
Pattern: New since 2024; repeats across shifts

How it is asked

Field at centre of concentric semicircles
Net field at centre of perpendicular coils

Difficulty

Easy 0Medium 2Hard 0

Where it sits

Chapter: Moving Charges and Magnetism. Topic: Biot-Savart Law, 12 questions over 6 ideas.

All 2 questions

Newest first, each with its options and official answer.

3 Apr 2025, Shift 1 · Q48A loop ABCDA, carrying current $\mathrm{I} = 12$ A, is placed in a plane, consists of two semi-circular segments of radius…MediumNumerical valueHas a figure
31 Jan 2024, Shift 2 · Q57Two circular coils $P$ and $Q$ of 100 turns each have same radius of $\pi$ cm. The currents in $P$ and $R$ are $1A$ and $2A$ respectively.…MediumNumerical value