MEDIUM
10th CBSE
IMPORTANT
Earn 100
On what factors do the magnitude of magnetic field due to current-carrying straight wire depend on?
Important Questions on Magnetic Effects of Electric Current
EASY
10th CBSE
IMPORTANT
State the rule to determine the direction of magnetic field produced around a current-carrying conductor.
HARD
10th CBSE
IMPORTANT
What is the direction of magnetic field at the centre of a circular coil carrying current in anticlockwise direction.
HARD
10th CBSE
IMPORTANT
What is the direction of magnetic field at the centre of a circular coil carrying current in clockwise direction.
MEDIUM
10th CBSE
IMPORTANT
How would the strength of the magnetic field produced at the centre of the circular loop be affected if the strength of the current passing through this loop is doubled?
MEDIUM
10th CBSE
IMPORTANT
How would the strength of the magnetic field produced at the centre of the circular loop be affected if the radius of the loop is reduced to half of the original radius.
EASY
10th CBSE
IMPORTANT
State two ways by which the strength of an electromagnet can be increased.
EASY
10th CBSE
IMPORTANT
On which factors do the force by a current-carrying conductor placed in a uniform magnetic field depend?
EASY
10th CBSE
IMPORTANT
What is the role of the split-ring in an electric motor?
