MEDIUM
10th CBSE
IMPORTANT
Earn 100
(a) Draw a circuit diagram to show how a soft iron piece can be transformed into an electromagnet.
(b) Describe how an electromagnet could be used to separate copper from iron in a scrap yard.
(b) Describe how an electromagnet could be used to separate copper from iron in a scrap yard.
Important Questions on Magnetic Effect of Electric Current
EASY
10th CBSE
IMPORTANT
How does an electromagnet differ from a permanent magnet?
EASY
10th CBSE
IMPORTANT
Name two devices in which electromagnets are used and two devices where permanent magnets are used.
EASY
10th CBSE
IMPORTANT
What is a solenoid? Draw a sketch to show the magnetic field pattern produced by a current-carrying solenoid.
EASY
10th CBSE
IMPORTANT
Name the type of magnet with which the magnetic field pattern of a current-carrying solenoid resembles.
EASY
10th CBSE
IMPORTANT
What is the shape of field lines inside a current-carrying solenoid? What does the pattern of field lines inside a current-carrying solenoid indicate?
EASY
10th CBSE
IMPORTANT
List three ways in which the magnetic field strength of a current-carrying solenoid can be increased?
EASY
10th CBSE
IMPORTANT
What type of core should be put inside a current-carrying solenoid to make an electromagnet?
EASY
10th CBSE
IMPORTANT
What is an electromagnet?
