MEDIUM
10th CBSE
IMPORTANT
Earn 100
Draw the magnetic lines of force due to a circular wire carrying current.
Important Questions on Magnetic Effect of Electric Current
EASY
10th CBSE
IMPORTANT
What are the various ways in which the strength of magnetic field produced by a current-carrying circular coil can be increased?
HARD
10th CBSE
IMPORTANT
State and explain the Clock face rule for determining the polarities of a circular wire carrying current.
EASY
10th CBSE
IMPORTANT
Name any two factors on which the strength of a magnetic field produced by a current-carrying solenoid depends. How does it depend on these factors?
MEDIUM
10th CBSE
IMPORTANT
(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.
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.
