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Friday, 9 October

JEE Main Physics · Electromagnetic Induction

Induced Charge Flow

Induced Charge Flow (Electromagnetic Induction) was asked 3 times in 3 JEE Main shifts, 2017–2023, out of the 42 shifts Lumi analysed. 1 of the 3 had a numerical answer.

Times asked
3
in 3 shifts
Years
2017–2023
Usual format
Single correct
Calculation
Pattern
Comes in cycles
repeats across shifts

How it is asked

  • Induced charge in coil from changing current
  • Induced charge from flux reversal

Difficulty

Easy 1Medium 2Hard 0

Where it sits

Chapter: Electromagnetic Induction. Topic: Faraday's Law, 20 questions over 10 ideas.

Other repeat ideas in this topic

Every time it came

All 3 questions

Newest first, each with its options and official answer.

  1. 13 Apr 2023, Shift 2 · Q58An insulated copper wire of 100 turns is wrapped around a wooden cylindrical core of the cross-sectional area 24 cm224\ \mathrm{cm^2}. The two…EasyNumerical value
  2. 3 Aug 2021, Shift 2 · Q14Two concentric and coplanar circular coils have radius aa and b (≫a)b\ (\gg a) as shown in figure. Resistance of the inner coil is RR.…MediumSingle correctHas a figure
  3. 2 Apr 2017 (offline) · Q20In a coil of resistance 100 Ω100\ \Omega, a current is induced by changing the magnetic flux through it as shown in the figure. The magnitude…MediumSingle correctHas a figure