Milady Chapter 13 Basics of Electricity

The movement of electrons from one atom to another along a conductor is called

• An electric charge

• Electricity

• Energy Flow

• Sparks

Electric wires can be covered with a material that does not transmit electricity such as a rubber or plastic coating. This material is known as

• An insulator

• A conductor

• A circuit

• A fuse

An apparatus that changes direct current to alternating current is

• A rectifier

• A circuit breaker

• An inverter

• A fuse box

For safety, use no more than _______plugs(s) in each outlet

• One

• Two

• Three

• Four

Only licensed professionals should use

• Electric hairdryer equipment

• Electric steamers

• Light therapy

• Electric vaporizers

All lasers work by a process known as selective__________

• Emission

• Electrolysis

• Photothermolysis

• Photosynthesis

Grounding completes ______and carries the current safely away.

• An electric charge

• An electric circuit

• An electric flow

• a microcurrent

The negative electrode of an electrotherapy device is called

• An anode

• An electron

• A carbide

• A cathode

The use of ______light reduces acne and bacteria on the skin

• Green

• Red

• Yellow

• Blue