EASY
10th ICSE
IMPORTANT
Earn 100

Describe U-shaped electromagnet.

Important Questions on Electromagnetism

EASY
10th ICSE
IMPORTANT
An electron is moving away from you. Draw magnetic lines of force due to moving electron.
EASY
10th ICSE
IMPORTANT

In the figure, C is in transverse section of a thick conducting wire. The circular line of force is moving anticlockwise around the conductor. State if there is any current in the conductor. If yes, mention direction of electric current.

EASY
10th ICSE
IMPORTANT
Mention two factors for intensity of magnetic field B at any point near a long straight current carrying conductor carrying solenoid.
MEDIUM
10th ICSE
IMPORTANT
What is demagnetisation? Mention the causes of demagnetisation.
MEDIUM
10th ICSE
IMPORTANT
What is the function of a spring on a pivoted type galvanometer?
HARD
10th ICSE
IMPORTANT

Describe the principle and working of a d.c. motor. Label each part of this motor and state three factors that increase the speed the motor.

MEDIUM
10th ICSE
IMPORTANT
How can you increase the speed of a d.c. motor?
HARD
10th ICSE
IMPORTANT
Describe an experiment to show electromagnetic induction.