1. Notes 17.1 & 17.2: Electricity, Magnetism and Motors

2. In 1819, Hans Oersted discovered that magnetism is created by a flowing electrical current.

3. You can use the right-hand rule to determine the direction of the magnetic field or current flow.

4. Magnetism is created by moving charges.
The strength of the field near the wire depends on:
Current-greater current, stronger magnetic field
Distance – the farther away from the wire the weaker the field

5. Electric current can create magnetism, so it makes sense that magnetism can generate electric current
Induction:

6. Electric Motor: Converts electrical energy into mechanical energy.
Electrical motors contain:
Permanent magnets
Solenoids
Current source