EASY
12th Odisha Board
IMPORTANT
Earn 100

Distinguish between a resistance and an inductance.

Important Questions on Electromagnetic Induction

EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 17
Why are the coils in a resistance box doubly wound ?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 18
Explain the factors on which the coefficient of mutual induction depends.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 19
Why is the induced emf stronger when the current in an L.R. circuit is cut off compared to when it is switched on ?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 20
What happens to M if the number of turns in the secondary coil is increased without affecting the primary circuit.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 21
How much power is required to drag a rectangular coil through a magnetic field so long as the coil remains inside the field ?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 22
How does self induction play the role in bringing an oscillating galvanometer to rest ?
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 23
Explain what happens when a circular coil and a bar magnet recede from each other with the same speed.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 9 - Electromagnetic Induction>MODEL QUESTIONS>Q 24
A bar magnet is kept along the axis of a circular coil. Will there be current in the coil if the magnet is rotated about its own axis? Explain your answer.