6.1 Principles Of Electricity Flashcards
The electric current in which electrons move at an even rate and flow only in one direction is called a
Direct current
A rapid oscillating cycle that alternates back and forth allowing electrons to flow first in one direction and then in the other is an
Alternating current
Which of the following measurements is a unit of electric strength
Amp
A volt is a unit of electric
Pressure
A unit of electrical resistance is called
Ohm
When electrical appliances are not in use, all of the following precautions should be taken a EXCEPT:
Submerge the appliance in water
Of the following units, which measures how much electrical energy is being used
Watt
T or F: materials that best transport electricity are called conductors
True
T or F: materials that DO NOT allow a current to pass through them are called prisms
False
T or F: the unit of electric strength is called an amp
True
The two forms of electrical current are
AC and DC
A reusable safety device that breaks the flow of current when an overload occurs is a
Circuit breaker
A shock that passes through a small part of the body is
Local shock
____ is a form of energy that produces light, heat, magnetic and chemical changes
Electricity
________ is the movement of electricity along a path called a conductor
Electric current
