What happen to the soft iron core after when the current flow?

apakah yang jadi kepada teras besi lembut apabila arus mengalir?

where is the direction for the soft iron core being push when the switch is on?

kemanakah arah teras beli lembut itu tertolak apabila suis dihidupkan?

what is the rotation of the DC motor?

apakah arah pusingan motor arus terus tersebut?

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 placed between two magnets.

Which action produces an induced e.m.f. in the conductor?

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

Diagram below shows a solenoid.

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

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