EASY
12th Bihar Board
IMPORTANT
Earn 100

A wire of magnetic dipole moment M and L bent into shape of semi-circle of radius r. What will be its new dipole moment?

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Important Questions on Moving Charges and Magnetism

HARD
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 4 - Moving Charges and Magnetism>Bihar Board-2018>Q 4
An electron moving through a field remains un-deflected. It is possible that there is no magnetic field. Explain.
EASY
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 4 - Moving Charges and Magnetism>Bihar Board-2019>Q 5
The resistance of ideal ammeter is-
EASY
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 4 - Moving Charges and Magnetism>Bihar Board-2019>Q 6
The torque (τ→) experienced by a current loop of magnetic moment (M→) placed in magnetic field B→ is-
EASY
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 4 - Moving Charges and Magnetism>Bihar Board-2019>Q 7
What is Lorentz force?
EASY
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 4 - Moving Charges and Magnetism>Bihar Board-2019>Q 8
What is shunt? Write its two uses.
MEDIUM
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 4 - Moving Charges and Magnetism>Bihar Board-2019>Q 9
In a vertically upward magnetic field B→, a positively charged particle is projected horizontally eastwards. What will be the direction of force on the particle?
EASY
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 4 - Moving Charges and Magnetism>Bihar Board-2020>Q 10
Which of the expression is correct for Lorentz force?
EASY
12th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 4 - Moving Charges and Magnetism>Bihar Board-2020>Q 11
The resistance of Ammeter is