EASY
10th CBSE
IMPORTANT
Earn 100
What is Maxwell's corkscrew rule? For what purpose is it used?
Important Questions on Magnetic Effect of Electric Current
MEDIUM
10th CBSE
IMPORTANT
Draw the magnetic lines of force due to a circular wire carrying 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.
