Review Questions V Chapter 6/11 Flashcards
(95 cards)
What is the form of energy that produces light, heat, magnetic and chemical changes?
Electricity
A material that does NOT allow a current to pass through it is an?
Insulator
An electrical path that is broken is called an?
Open circuit
What type of shock passes through a small part of the body, and can cause burns and muscle contractions?
Local Shock
Which is the resistance to the motion of the electrons though a conductor?
Ohm’s rating
What are the two conditions that must exist for electrical current to be produced?
A source and closed path must be present
In the event that a fire results from an overload, the aesthetician should NEVER:
Turn of the circuit
Human contact with an electric current causes an?
Electrical shock
What movement of electricity along a path called a conductor?
Electric current
How many milliamperes equal one ampere?
1000
The rate at which energy is used is measured in what units?
Kilowatts
What is the technical term for any appliance that requires electricity in order to work?
Load
A path on which the electricity leaves the source and travels to an appliance is called a?
Closed path
A closed path is also referred to as a?
Circuit
When electrical appliances are not in use, what precautions should not be taken?
Submerge appliance in water
Material that allows electricity to flow through it easily is called a?
Conductor
A measure of the electricity energy being used is called?
Watt
Which term is a unit of electric pressure?
Volt
A rapid oscillating current that alternates back and forth, allowing electrons to flow first in one direction and then in the other is referred to as an?
Alternating current
Which term indicates that an appliance has been certified to operate safely under the conditions specified in the instructions?
Underwriter’s Laboratory rating
Watt
Measures how much energy is being used
What can occur any time a foreign conductor comes in contact with a wire carrying current to a load?
Short circuit
Direct current is changed to alternating current by using?
Converter
The situation when more electrical current is flowing through a line than it is designed to carry is?
Overload