Electromagnetism 4.7.2.1 Flashcards
1
Q
What is a solenoid and what does it do?
A
- a coil of wire
- increase the strength of the magnetic field created by the current through the wire
2
Q
How can a wire become magnetic?
A
-when a current flows through a wire a magnetic field is produced around the wire
3
Q
What does the direction of the magnetic field depend on?
A
direction of the current