Topic P7 - Magnetism And Elecromagnetism Flashcards
1
Q
What does induced magnetism cause?
A
Forces of attraction
2
Q
What is the magnetic field inside a solenoid like?
A
Strong and uniform
3
Q
What is an electromagnetic?
A
Solenoid with an iron core
4
Q
Define motor effect
A
When a conductor carrying a current is placed in a magentic field, the magnetic producing the field and the conductor exert a force on each other
5
Q
What does Flemings left hand rule represent?
A
Relative orientation of the force
Current in conductor
Magentic field
6
Q
Define an electric motor
A
A coil of wire carrying a current in a magentic field tends to rotate
