What direction is the force/motion in the following diagram?

Diagram shows a dc motor. What is the functions of brush carbon?

Application of the force on current carrying conductor in a magnetic field

How can you test to see if there is a current running through a wire?

Diagram shows a coil placed between the poles of a permanent magnet and is connected to the external circuit.Determine the direction of rotation of the coil when the switch is closed.

Diagram shows a coil placed between two opposite magnetic poles. An electric current flows through the coil producing a pair of turning force, F.Which diagram shows the correct catapult field ?

Diagram shows a current–carrying conductor placed between the poles of two magnet bars. Which diagram shows the resulting magnetic field ?

The motion of a current carrying conductor in an magnetic fields can be determined by

Diagram above shows the apparatus used to set-up to observe the magnetic field due to a current in a coil.

A current-carrying coil in a magnetic field experiences a turning effect.

How can the turning effect be increased?

The diagram shows an electrical device. What is this electrical device?

The diagram shows a coil of wire between the poles of a magnet.

The coil consists of 20 turns of insulated wire.

The coil is connected to a variable resistor and a power supply.

How can the turning effect on the coil be increased?

What happens to the strength of a magnetic field as you move away from the magnet?

"a region around a magnetic material or a moving electric charge within which the force of magnetism acts".

This is definition of

For the right hand grip rule for a solenoid: The thumb points towards ________ of the magnetic field while

All of the following are application of electromagnet EXCEPT

Fleming's left hand rule used to determine

When a current-carrying conductor is in a magnetic field of a permanent magnet, the interaction between the two magnetic fields produce ___________.

The magnitude of the force on a current carrying conductor in a magnetic field can be increase by all of the following EXCEPT

The application of catapult effect is

The diagram show the direction of magnetic field,B and current, I.

By using Fleming left hand rules, determine the direction of Magnetic force, F.

The diagram show the direction of magnetic field,B and current, I.

By using Fleming left hand rules, determine the direction of Magnetic force, F.

Which part (s) of the DC motor connect the power supply to the split-ring and coil?

Use Flemming's left-hand rule to work out which way coil AB will turn.

What advantage does an electromagnet have over a magnet?

What is the direction of the force on the wire due to the magnetic field?

Diagram below shows a current-carrying conductor in a magnetic field.

Diagram below shows the apparatus used to study the effect of an electromagnet.

Which change will increase the number of paper clips attracted to the iron rod?

Diagram 32 shows a design of a simple circuit breaker. It is designed to prevent an electrical circuit from damage caused by excessive current or short circuit.

Which statement is the best to explain why the iron armature should be made of iron?

Which magnetic field produced by a straight current-carrying conductor is correct?

Diagram below shows four identical compasses placed around a conductor.

The switch is switched on and current passes through the conductor.

In which direction do the compasses P, Q, R and S show the direction of the magnetic field?

Diagram below shows an electric motor.

The magnitude of force F increases when

Diagram below shows a conductor wire placed in a magnetic field.

When the switch is on, the conductor wire initially moves towards

Diagram below shows a solenoid.

Which of the following rules may be used to determine the direction of the current in the coil?

Diagram shows a left hand which represents the Fleming Left-Hand Rule.

X represents the

Diagram below shows a conductor placed inside a magnetic field.

What is the direction of motion of the conductor when the current flows?

Diagram below shows the apparatus set-up to observe the magnetic field due to a current in a coil.

Which diagram shows the magnetic field correctly?

Which diagram shows the pattern of the magnetic field produced by a straight conductor carrying current?

The diagram below shows a straight conductor placed in a magnetic field. Both of the soft springs extend when the switch is on.

Which change will decrease the extension of the springs?

The diagram below shows a wire QR hangs freely between two strong magnets.

The angle of deflection, θ is increased by

Diagram 29 shows the apparatus set up by a student in order to make a relay.

Which metal should be used to make the core?

Diagram 31 shows a current-carrying wire between the poles of a pair of permanent magnets.

What is the direction of the force on the wire?

Diagram 20 shows the direction of movement of a current carrying conductor that is placed between two magnets.

Which magnetic field pattern is correct to show the situation?

Which diagram shows the correct combination of forces when the magnetic field due to the current in the coil combines with the external magnetic field?

Which diagram shows the correct rule to determine the magnetic field around a straight wire?