Electromagnetic Induction Quiz

What is the phenomenon of electromagnetic induction?

• The change in magnetic flux linked with a coil

• The flow of current in a solenoid

• The motion of a magnet

• The deflection of a galvanometer

What is the purpose of the experiment described in the video?

• To prove the phenomenon of electromagnetic induction

• To observe the flow of current in a solenoid

• To show the motion of a magnet

• To demonstrate the deflection of a galvanometer

What happens to the galvanometer reading when the magnet is stationary?

• It depends on the polarity of the magnet

• It shows zero reading

• It deflects towards the left

• It deflects towards the right

In which direction does the galvanometer deflect when the North Pole of the magnet is moved towards the solenoid?

• It depends on the polarity of the magnet

• Towards the left

• Towards the right

• It shows zero reading

What happens to the galvanometer reading when the motion of the magnet stops?

• It depends on the polarity of the magnet

• It shows zero reading

• It deflects towards the left

• It deflects towards the right

What happens to the galvanometer when the magnet is moved away from the solenoid?

• It deflects towards the left

• It depends on the polarity of the magnet

• It shows zero reading

• It deflects towards the right

How does the deflection of the galvanometer change when the magnet is moved away with greater velocity?

• It remains the same

• It depends on the polarity of the magnet

• It decreases

• It increases

What happens to the direction of current flow in the solenoid when the polarity of the magnet is reversed?

• It remains the same

• It reverses

• It shows zero reading

• It depends on the velocity of the magnet

What did Ferriday observe about the current flow in the coil?

• Current does not flow in the coil

• Current flows only when the magnet is in motion

• Current flows only when the magnet is stationary

• Current flows in both cases

What determines the magnitude of the induced EMF in the coil?

• The strength of the magnet

• The number of turns in the coil

• The area of the coil

• All of the above