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Practice Electromagnetic Induction for JEE Main, JEE Advanced, NEET, and Classes 11–12. Attempt each question, then open it for the full solution.
Showing 1–10 of 31 questions
- NumericmediumElectromagnetic Induction
A square loop of side 10 cm and resistance 0.7 Ω is placed vertically in east-west plane. A uniform magnetic field of 0.20 T is set up across the plane in north east direction. The magnetic field is decreased to zero in 1 s at a steady rate. Then, magnitude of induced emf is √x × 10⁻³ V. The value of x is ________.
JEE Mains 2024 29 Jan Morning Shift
Open question & full solution → - MCQeasyElectromagnetic Induction
A current carrying is placed vertically and a particle of mass m with charge Q is released from rest. The particle moves along the axis of solenoid. If g is acceleration due to gravity then the acceleration (a) of the charged particle will satisfy :
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JEE Mains 202621 January Morning Shift
Open question & full solution → - MCQmediumElectromagnetic Induction
A bar magnet is released from rest along the axis of a very long vertical copper tube. After some time the magnet will:
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JEE Mains10 April 2023Shift 2Evening Shift
Open question & full solution → - NumericmediumElectromagnetic Induction
A square loop PQRS having 10 turns, area 3.6 × 10⁻³ m² and resistance 100 Ω is slowly and uniformly being pulled out of a uniform magnetic field of magnitude B = 0.5 T as shown. Work done in pulling the loop out of the field in 1.0 s is _________ × 10⁻⁶ J.
JEE Mains 2024 08 Apr Morning Shift
Open question & full solution → - IntegermediumElectromagnetic Induction
An insulated copper wire of 100 turns is wound on a wooden core of cross-sectional area 24 cm² and connected to a total circuit resistance of 12 Ω. The axial magnetic field changes from 1.5 T in one direction to 1.5 T in the opposite direction. Find the charge that flows, in mC.
13 April 2023 Evening Shift
Open question & full solution → - MCQmediumElectromagnetic Induction
A conducting circular loop of area 1.0 m² is placed perpendicular to a magnetic field which varies as B = sin(100 t) Tesla. If the resistance of the loop is 100 Ω, then the average thermal energy dissipated in the loop in one period is ______J.
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JEE Mains 202621 January Morning Shift
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A square loop of side 15 cm being moved towards right at a constant speed of 2 cm/s as shown in figure. The front edge enters the 50 cm wide magnetic field at t = 0. The value of induced emf in the loop at t = 10 s will be :
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JEE Mains 2024 09 Apr Evening Shift
Open question & full solution → - MCQmediumElectromagnetic Induction
Spherical insulating ball and a spherical metallic ball of same size and mass are dropped from the same height. Choose the correct statement out of the following. [Assume negligible air friction]
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JEE Mains31 January 2023Shift 1Morning Shift
Open question & full solution → - MCQmediumElectromagnetic Induction
The induced emf can be produced in a coil by
A. moving the coil with uniform speed inside uniform magnetic field
B. moving the coil with non uniform speed inside uniform magnetic field
C. rotating the coil inside the uniform magnetic field
D. changing the area of the coil inside the uniform magnetic field Choose the correct answer from the options given below:Options
JEE Mains6 April 2023Shift 1Morning Shift
Open question & full solution → - MCQmediumElectromagnetic Induction
A circular loop of radius 7 cm is placed in uniform magnetic field of 0.2 T directed perpendicular to plane of loop. The loop is converted into a square loop in 0.5 s. The EMF induced in the loop is ___________ mV.
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JEE Mains 202623 January Evening Shift
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