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12th Odisha Board
IMPORTANT
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A rod of length l rotates with a small but uniform angular velocity ω about its perpendicular bisector. A uniform magnetic field of 0.3 T exists parallel to the axis of rotation. The potential difference between the two ends of the rod is-

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Important Questions on Electromagnetic Induction

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12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 4
Weber per second is equal to:
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12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 5
An iron rod of length 1 m moves in a magnetic field of 0.32 T with a velocity of  2 m/s in a direction that is perpendicular to the field. The induced emf between the ends of the rod is
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12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 6
The induced electric field produced in a region due to the time rate of change of magnetic flux in a coil is of:
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12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 7
The current through a choke coil of inductance 0.5 H is decreased at the rate of 2 A/s. The induced emf developed in the coil is of magnitude:
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12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 8
A magnet is allowed to fall from a height through a metal ring of diameter 0.5 m. The acceleration of the magnet is:
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12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 9
The current in an inductive circuit changes from 0.5 A to 0.3 A in 2 seconds. If the self-inductance of the coil is 1 mH, the induced emf developed in the circuit is-
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12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 10
Self inductance of a coil delays:
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12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 11
Mutual inductance between two circuits does not depend on