EASY
12th Odisha Board
IMPORTANT
Earn 100

Two identical loops, one of copper and the other of aluminium, are rotated with the same angular speed in the same magnetic field. Compare the induced emf. Justify your answer.

Important Questions on Electromagnetic Induction

EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 29
Two identical loops, one of copper and the other of aluminium, are rotated with the same angular speed in the same magnetic field. Compare the current produced in the two coils. Justify your answer.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 30
Two identical coils, one of radius r and the other of radius R are placed co-axially with their centres coinciding. For R>>r, obtain an expression for the mutual inductance of the arrangement.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 1
Describe Faraday's experiment on induced emf and induced current and explain how the results led to the formulation of the law of electromagnetic induction.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 2
Explain what is induced emf. In what way it is different from the emf due to a battery? Mention the factors on which induced emf depends.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 3
Describe how translational induced emf is produced. Find an expression for the same. Find the magnitude of induced emf in a conductor, when it moves parallel to a magnetic field.
MEDIUM
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 4
Explain what is eddy current. Discuss its advantages and disadvantages. Suggest ways to minimize eddies in conducting blocks.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 5
Describe how rotational induced emf is produced. Deduce ε=ε0sinωt and discuss its significance.
HARD
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 6
Give the principle of construction and working of an a.c. generator. How is it converted to a d.c. generator.