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Electronics Part 1

Describe the electron flow theory In electron flow theory, electrons flow away from areas of excess negative charge, to those with a deficiency of negative charge.
Electrical pressure is known as what? Volts
What symbol represents volts? A capital V.
What is voltage also known as? Electrical potential, or electromotive force.
What would a technician use to measure voltage? A voltmeter.
What is current? The rate of flow of electrons through a conductor.
In what unit is current measured? In amperes.
What is the rate of flow of electrons through a conductor? Current
What is a ampere? A measure of current, in which an ampere is defined as one coulomb of electrical charge flowing past a point in one second.
What is the symbol for amperes? A
One coulumb is the amount of charge in _______ electrons. 6.25 x 10^18
With what tool is current measured? Using an ammeter
What is a coulomb? The fundamental unit of electrical charge. equal to the quantity of electricity conveyed in one second by a current of one ampere.
What are the two types of electrical current? Direct current and alternating current.
What is direct current? Direct current (DC) means that current only flows one way in a conductor.
What is alternating current? Alternating current (AC) is when the current flowing in a conductor changes direction (moves back and forth) many times in a second.
In North America, alternating current is always delivered at...? 60 cycles per second. (Or 60 hertz)
What does Hz stand for? Hertz
What are hertz? Cycles per second of a periodic phenomena
Created by: Cheetahman