EASY
10th CBSE
IMPORTANT
Earn 100

Name one material that is used to make a permanent magnet. 

Important Questions on Magnetic Effects of Electric Current

MEDIUM
10th CBSE
IMPORTANT
Describe an activity to show how can you make an electromagnet in your school lab? 
MEDIUM
10th CBSE
IMPORTANT

(a) What is an electromagnet?

(b) List any of its two uses.

(c) Draw a labelled diagram to show how an electromagnet is made.

(d) What is the purpose of the soft iron core used in making an electromagnet?

MEDIUM
10th CBSE
IMPORTANT
Why is pure iron not used for making permanent magnets?
EASY
10th CBSE
IMPORTANT
Name one material used for making permanent magnets.
EASY
10th CBSE
IMPORTANT
Describe how permanent magnets are made electrically. State two examples of electrical appliances made by using permanent magnets. 
 
HARD
10th CBSE
IMPORTANT
Why does a current-carrying conductor kept in a magnetic field experience force? On what factors do the direction of this force depend? Name and state the rule used for determination of the direction of this force.