Practice portal › JEE › Electromagnetic Induction

Self-Inductance for JEE: 19 solved questions

Real JEE paper questions on self-inductance, part of electromagnetic induction. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2002 to 2026. No sign-in needed to read them.

What this topic asks

• Self-inductance and self-induced EMF — 8 questions
• Energy stored in an inductor — 6 questions
• Coil geometry, cores and combinations — 5 questions

All 19 questions with solutions

• In a coil, the current changes from –2 A to 2 A in 0.2 s and induces an emf of 0.1 V. The self inductance of… JEE Main 6th April 2nd Shift 2024
• When the current in a coil changes from 5 A to 2 A in 0.1 s, an average voltage of 50 V is produced. The self… JEE Main Online 2015
• When the current changes from +2 A to –2 A in 0.05 second, an e.m.f. of 8 V is induced in a coil. The coeffic… JEE Main 2003
• The current in an inductor is given by I = (3t + 8) where t is in second. The magnitude of the induced emf pr… JEE Main 5th April 2nd Shift 2024
• A 30 cm long solenoid has 10 turns per cm and an area of 5 cm². The current through the solenoid coil varies… JEE Main 8th April 2nd Shift 2026
• The total number of turns and the cross-section area in a solenoid are fixed. However, its length L is varied… JEE Main 9th April 1st Shift 2019
• A copper wire is wound on a wooden frame, whose shape is that of an equilateral triangle. If the linear dimen… JEE Main 11th Jan 2nd Shift 2019
• A rod with circular cross-section area 2 cm² and length 40 cm is wound uniformly with 400 turns of an insulat… JEE Main 31st Jan 1st Shift 2023
• The self induced emf of a coil is 25 volts. When the current in it is changed at a uniform rate from 10 A to… JEE Main 10th Jan 2nd Shift 2019
• In the given circuit the inductance values of L₁, L₂ and L₃ are the same; L₁ is in series with the parallel p… JEE Main 5th April 1st Shift 2026
• A coil has an inductance of 2 H and resistance of 4 Ω. A 10 V is applied across the coil. The energy stored i… JEE Main 11th April 2nd Shift 2023
• The current in a coil of self inductance 2.0 H is increasing according to I = 2 sin(t²) A. The amount of ener… JEE Main 25th June 1st Shift 2022
• A coil of inductance 2 H having negligible resistance is connected to a source of supply whose voltage is giv… JEE Main 25th Feb 1st Shift 2021
• Inductance of a coil with 10⁴ turns is 10 mH and it is connected to a dc source of 10 V with internal resista… JEE Main 22nd Jan 1st Shift 2026
• The inductance between A and D is — the network shown carries three 3 H coils connected between the same pair… JEE Main 2002
• The figure shows a circuit that contains three resistances (9 Ω each) and two inductors (4 mH each), driven b… JEE Main 22nd Jan 2nd Shift 2026
• A 12 V battery connected to a coil of resistance 6 Ω through a switch drives a constant current in the circui… JEE Main 15th April 1st Shift 2023
• A 10 Ω, 20 mH coil carrying a constant current is connected to a battery of 20 V through a switch. Now after… JEE Main 26th June 1st Shift 2022
• In a fluorescent lamp choke (a small transformer), 100 V of reverse voltage is produced when the choke curren… JEE Main 9th Jan 1st Shift 2020