P3.3 Keeping Things Moving Flashcards
1
Q
What causes objects to be attracted or repelled by magnets?
A
The magnetic field around it
2
Q
What is a magnetic field?
A
A region where magnetic materials and wires carrying current, experience a force acting on them
3
Q
What is a field diagram?
A
A series of lines that show where a magnetic field exists and its directions - The field lines have arrows on them that always point from north to south
4
Q
How does the strength of the magnetic field of a magnet affect its field diagram?
A
The stronger the magnetic field, the closer the field lines are
5
Q
What is created when a current flows through a wire?
A
A magnetic field is created around the wire
6
Q
What is formed if the current-carrying wire forms a coil?
A
The field lines d
