WorksheetsMilady Chapter 13 Basics of Electricity
Total questions: 9
Worksheet time: 5mins
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
