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A conducting loop is kept vertically in the increasing magnetic field as shown in figure. The direction of induced current in the loop will be

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Important Questions on Electromagnetic Induction

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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-2>Q 13

If given arrangement is moving towards right with speed v in the uniform magnetic field, then induced current in the loop is (resistance of loop is R )

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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-2>Q 14
According to Faraday's laws of electromagnetic induction, magnitude of induced emf in a coil is proportional to, 
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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment Set-2>Q 15
A straight wire of length ℓ is moving with speed v in a direction perpendicular to length. If a uniform magnetic field of strength B is existing in the region, which is perpendicular to both ℓ and v, then emf across ends of wire is proportional to
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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment>Q 1

What will be the direction of current in the coil A as the switch S is closed?

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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment>Q 2
The armature of a generator of resistance 1 Ω is rotated at its rated speed and produces 125 V without load and 115 V with full load. The current in the armature coil is
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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment>Q 3

A positive charge q moves along the line AB, which lies in the same plane as a circular loop of conducting wire as shown in the figure. The direction of current induced in the loop is

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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment>Q 4
Radius of a circular loop placed in a perpendicular uniform magnetic field is increasing at a constant rate of r0 m s-1. If at any instant radius of the loop is r, then emf induced in the loop at that instant will be
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Gamma Question Bank for Medical Physics>Chapter 21 - Electromagnetic Induction>Assignment>Q 5
The magnetic flux through a stationary loop with resistance R varies during interval of time T as ϕ=atT-t. The heat generated during this time neglecting the inductance of loop will be: -