EASY
10th Kerala Board
IMPORTANT
Earn 100

The figure given below shows an insulated copper wire AB made into a coil. Suppose current flows from A to B through this. Explain how can you find out the direction of the magnetic field inside the coil.

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Important Questions on Magnetic Effect of Electric Current

MEDIUM
10th Kerala Board
IMPORTANT

The magnetic field around the current carrying conductor AB is depicted.

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Based on the Maxwell's Right Hand Cork Screw Rule, find out the direction of current.

EASY
10th Kerala Board
IMPORTANT
Electricity flows through a very long solenoid. Some statements are given below related to the magnitude of the magnetic field developed inside the solenoid. Find the correct one.
EASY
10th Kerala Board
IMPORTANT

The direction of movement of electrons through a magnetic field is depicted in the figure given below.

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"The force felt by the electrons due to the influence of the magnetic field is into the plane of the paper". Is this statement correct? Explain based on the Fleming's Left Hand Rule.

EASY
10th Kerala Board
IMPORTANT

In an experiment to know the intensity of magnetic field around a current carrying coil, why is the coil kept in North South direction.

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EASY
10th Kerala Board
IMPORTANT
In a split ring commutator of a DC motor, semi-circular rings are used. What is the need for this?
HARD
10th Kerala Board
IMPORTANT
A current carrying solenoid is stretched to increase the distance between the coils. What change will occur in its magnetic field? Describe.
MEDIUM
10th Kerala Board
IMPORTANT
State the motor rule. If the direction of current in the conductor and the magnetic field are the same, in which way the conductor move?