WorksheetsElektromagnet
Total questions: 15
Worksheet time: 8mins
apakah yang jadi kepada teras besi lembut apabila arus mengalir?
Push away from magnet
tertolak menjauhi magnet
attracted toward the magnet
tertarik kepada magnet
nothing happen
tidak ada apa berlaku
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?
A
B
C
D
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?
A
B
C
D
Diagram below shows an electric motor.
The magnitude of force F increases when
the number of turns of the wire coil decreases
the magnitude of the electric current decreases
the magnitude of the magnetic field decreases
the resistance of the wire coil decreases
Diagram below shows a conductor placed between two magnets.
Which action produces an induced e.m.f. in the conductor?
Moving the conductor along WV
Moving the conductor along PQ
Moving the conductor along XY
Moving the conductor and the magnet
together along PQ
What happen to the soft iron core after when the current flow?
apakah yang jadi kepada teras besi lembut apabila arus mengalir?
Push away from magnet
tertolak menjauhi magnet
attracted toward the magnet
tertarik kepada magnet
nothing happen
tidak ada apa berlaku
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
A
B
C
D
The pattern of magnetic field depends on the shape of conductor.
True
False
A type of magnet that has temporary magnetic effect when electric current flows through it.
This refer to
Electric
Electronic
Electrostatic
Electromagnet
