Secition F Magnetism And Electromagnetism Flashcards
1
Q
What is a uniform field in terms of magnets?
A
When the North and South poles are face each other, the magnetism is straight and flowing in one direction.
2
Q
What is an easy way to display magnetic field patterns?
A
Compasses and iron filings.
3
Q
What is electromagnetic induction?
A
The creation of a voltage in a wire which is experiencing a change in magnetic field.
4
Q
Explain how rotating the wheel creates a voltage across the battery charger.
A
The rotation of the wheel would make the magnet rotate the coil, which would induce the voltage.
5
Q
Give three ways you can et a bigger voltage.
A
Increase the strength of the magnet.
The number of turns on the coil.
Increase the speed of the movement.
