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Faraday's Law for JEE: 25 solved questions

Real JEE paper questions on faraday's law, part of electromagnetic induction. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2004 to 2026. No sign-in needed to read them.

What this topic asks

• Induced current, heat and power — 12 questions
• Flux change and induced EMF — 10 questions
• Induced charge — 3 questions

All 25 questions with solutions

• A square loop of side 2 cm is placed in a time varying magnetic field with magnitude B = 0.4 sin(300t) Tesla.… JEE Main 6th April 2nd Shift 2026
• A coil is placed perpendicular to a magnetic field of 5000 T. When the field is changed to 3000 T in 2 s, an… JEE Main 31st Jan 1st Shift 2024
• A conducting circular loop of radius cm is placed perpendicular to a uniform magnetic field of 0.5 T. The mag… JEE Main 24th Jan 1st Shift 2023
• A circular loop of radius 20 cm and resistance 2 Ω is placed in a time varying magnetic field B = (2t² + 2t +… JEE Main 5th April 2nd Shift 2026
• A circular loop of radius 7 cm is placed in a uniform magnetic field of 0.2 T directed perpendicular to the p… JEE Main 23rd Jan 2nd Shift 2026
• A conducting circular loop is placed in a uniform magnetic field of 0.4 T with its plane perpendicular to the… JEE Main 12th April 1st Shift 2023
• A certain elastic conducting material is stretched into a circular loop. It is placed with its plane perpendi… JEE Main 29th Jan 1st Shift 2023
• A rectangular loop of sides 12 cm and 5 cm, with its sides parallel to the x-axis and y-axis, moves with a ve… JEE Main 1st Feb 1st Shift 2024
• A rectangular loop of length 2.5 m and width 2 m is placed at 60° to a magnetic field of 4 T. The loop is rem… JEE Main 27th Jan 1st Shift 2024
• The flux linked with a coil at any instant t is given by φ = 10t² – 50t + 250. The induced emf at t = 3 s is JEE Main 2006
• The magnetic flux through a coil perpendicular to its plane is varying according to the relation φ = (5t³ + 4… JEE Main 26th June 1st Shift 2022
• A uniform magnetic field B exists perpendicular to the plane of a square loop made of a metal wire. The wire… JEE Main 3rd Sept 2nd Shift 2020
• A coil having n turns and resistance R Ω is connected with a galvanometer of resistance 4R Ω. This combinatio… JEE Main 2004
• The magnetic flux φ (in weber) linked with a closed circuit of resistance 8 Ω varies with time (in seconds) a… JEE Main 31st Jan 2nd Shift 2024
• Magnetic flux (in weber) in a closed circuit of resistance 20 Ω varies with time t(s) as φ = 8t² – 9t + 5. Th… JEE Main 25th July 2nd Shift 2022
• The magnetic flux through the loop increases according to the relation φB(t) = 10t² + 20t, where φB is in mil… JEE Main 27th July 2nd Shift 2021
• A conducting circular loop made of a thin wire has area 3.5 × 10⁻³ m² and resistance 10 Ω. It is placed perpe… JEE Main 9th Jan 1st Shift 2019
• In a coil of resistance 100 Ω, a current is induced by changing the magnetic flux through it as shown in the… JEE Main 2017
• An insulated copper wire of 100 turns is wrapped around a wooden cylindrical core of cross-sectional area 24… JEE Main 13th April 2nd Shift 2023
• When a coil is placed in a time dependent magnetic field the power dissipated in it is P. The number of turns… JEE Main 2nd April 1st Shift 2026
• A conducting circular loop of area 1.0 m² is placed perpendicular to a magnetic field which varies as B = sin… JEE Main 21st Jan 1st Shift 2026
• A coil is placed in a time varying magnetic field. If the number of turns in the coil were to be halved and t… JEE Main 28th June 2nd Shift 2022
• A conducting metal circular-wire-loop of radius r is placed perpendicular to a magnetic field which varies wi… JEE Main Online 2016
• In a coil of resistance 8 Ω, the magnetic flux due to an external magnetic field varies with time as φ=2/3(9-… JEE Main 26th July 2nd Shift 2022
• A circular conducting coil of radius 1 m is being heated by the change of magnetic field B passing perpendicu… JEE Main 25th July 1st Shift 2021