Motor effect

Motor effect

The motor effect is when a current-carrying wire in a magnetic field experiences a force. This turning effect makes electric motors rotate, converting electrical energy to motion.

Flemings left hand rule

Thumb is force

First finger is field

Second finger is current

What would a motor have inside

Split ring communicator

Magnet

Coil of wire

Power supply

Carbon brushes

Why does the current cause it to rotate

Forces on opposite sides of the coil act in opposite directions (one side up, the other down use flemings rule)

Split ring communicator

Swaps the connections every half-turn to allow the coil rotating in the same direction

Carbon brushes

Allows current to flow into the rotating coil

DC

Direct current that travels only one way