MEDIUM
12th Gujarat Board
IMPORTANT
Earn 100

What is called self-inductance? Derive an expression for self-induced emf. 

Important Questions on Electromagnetic Induction

EASY
12th Gujarat Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 6 - Electromagnetic Induction>Gujarat Board-2018>Q 1

In a.c. generator induced emf at t=0. the induced emf at the time πω is_____________.

EASY
12th Gujarat Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 6 - Electromagnetic Induction>Gujarat Board-2018>Q 2
A magnet is moving towards a coil and the emf induced in the coil isε. If the coil also starts moving at the same speed, the induced emf will be:
MEDIUM
12th Gujarat Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 6 - Electromagnetic Induction>Gujarat Board-2018>Q 3
The dimensional formula of self inductance is 
HARD
12th Gujarat Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 6 - Electromagnetic Induction>Gujarat Board-2019>Q 4
A small square loop of wire of side 1 mm is placed inside a large square loop of wire of side 10 m. The loops are coplanar and their centres coincide. Find the mutual inductance of the system. (μ∘=4π×10-7S.I.).
MEDIUM
12th Gujarat Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 6 - Electromagnetic Induction>Gujarat Board-2020>Q 8

What is called self-inductance? Derive an expression for self-induced emf.