EASY
10th Bihar Board
IMPORTANT
Earn 100

A positively charged( Alpha) particle projected towards west is deflected towards the North by a magnetic field. What will be the direction of that magnetic field?

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Important Questions on Magnetic Effects of Electric Current

EASY
10th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 13 - Magnetic Effects of Electric Current>Bihar Board-2018>Q 3
A rectangular coil of copper wire is being rotated in a magnetic field. The direction of the induced current in the coil changes once in each :
EASY
10th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 13 - Magnetic Effects of Electric Current>Bihar Board-2018>Q 4
The magnetic field inside a long straight solenoid carrying current is :
EASY
10th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 13 - Magnetic Effects of Electric Current>Bihar Board-2019>Q 5
At the time of overloading, the electric current in the circuit :
EASY
10th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 13 - Magnetic Effects of Electric Current>Bihar Board-2019>Q 6
In which device, split ring is used?
EASY
10th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 13 - Magnetic Effects of Electric Current>Bihar Board-2019>Q 7
Why is the series arrangement not used for devices connected in domestic circuit?
MEDIUM
10th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 13 - Magnetic Effects of Electric Current>Bihar Board-2019>Q 8
State Fleming's left-hand rule. Draw the diagram also.
EASY
10th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 13 - Magnetic Effects of Electric Current>Bihar Board-2019>Q 9
Why does two magnetic lines of force of a magnetic field do not intersect each other?
MEDIUM
10th Bihar Board
IMPORTANT
EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR SCIENCE>Chapter 13 - Magnetic Effects of Electric Current>Bihar Board-2019>Q 10
Draw a labelled diagram of an electric motor. Explain the principle and working of electric motor. What is the function of split ring in an electric motor?