Key concepts
Key terms
100

How can electrical energy be transformed into mechanical energy

When a wire with a current is placed in a magnetic field, electrical energy is formed into mechanical energy. 

100

What is energy?

Energy is the ability to move an object over a distance.

200

How does a galvanometer work?

An electric current is used to turn the pointer of a galvanometer.

200

What is electrical energy?

Electrical energy is the energy associated with electric currents.

300

What does an electric motor do?

An electric motor transforms electrical energy into mechanical energy.

300

What is mechanical energy?

Mechanical energy is the energy an object has due to its movement or position.

400

What is a galvanometer?

A galvanometer is a device that measures small currents.

500

What is a electric motor?

A electric motor is a device that uses an electric current to turn an axle.