Motors

Question 1

A device that converts electrical energy into mechanical energy

Answer 1

Motor

Uses Faraday ’s Law of induction to induce electromotive force and cause motion

Question 2

What does a motor consist of?

Answer 2

• A magnet
• A coil of wire (armature)
• A commutator,
• And a power source (battery or AC supply).

Question 3

What happens when electricity flows through the coil of a motor?

Answer 3

It interacts with the magnetic field, producing a force that causes the coil to rotate.

Question 4

What is an Alternating Current (AC) Motor

Types of Simple Motors

Answer 4

• A motor powered by AC electricity (e.g., household outlets,
  power grids).
• Does not require a commutator since AC naturally reverses current flow.

Question 5

What is a Direct Current (DC) Motor

Types of Simple Motors

Answer 5

• A motor powered by DC electricity (e.g., batteries, solar panels).
• Uses a commutator to reverse current flow, maintaining continuous rotation