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Friday, 9 October

JEE Main Physics · Magnetism and Matter

Small Oscillations of a Magnetic Dipole

Small Oscillations of a Magnetic Dipole (Magnetism and Matter) was asked 2 times in 2 JEE Main shifts, 2017–2020, out of the 42 shifts Lumi analysed.

Times asked
2
in 2 shifts
Years
2017–2020
Usual format
Single correct
Calculation
Pattern
Gone quiet
repeats across shifts

How it is asked

  • Oscillation time of magnetic needle
  • Time period of current loop oscillating in field

Difficulty

Easy 1Medium 1Hard 0

Where it sits

Chapter: Magnetism and Matter. Topic: Magnetic Dipole Moment, 17 questions over 13 ideas.

Other repeat ideas in this topic

Every time it came

All 2 questions

Newest first, each with its options and official answer.

  1. 9 Jan 2020, Shift 2 · Q13A small circular loop of conducting wire has radius aa and carries current II. It is placed in a uniform magnetic field BB…MediumSingle correct
  2. 2 Apr 2017 (offline) · Q18A magnetic needle of magnetic moment 6.7×10−2 Am26.7\times10^{-2}\ \mathrm{Am^2} and moment of inertia 7.5×10−6 kg m27.5\times10^{-6}\ \mathrm{kg\,m^2} is…EasySingle correct