P3.3 Electromagnets Flashcards
1
Q
What is an electromagnetic field?
A
The region around a magnet which a force of magnetism acts
2
Q
If the magnetic field is moving it can…
A
Transfer energy
3
Q
Making the current smaller…
A
Weakens the magnetic field
4
Q
Making the current bigger…
A
Makes the magnet stronger
5
Q
Making the current move…
A
Can transfer energy
6
Q
Voltage is…
A
Energy per charge
7
Q
Transformer…
A
Electromagnet that changes all the time
