DAY 1 Theory Terms Metric Lecture Flashcards
Electricity is simply the flow of ______ through a conductor
electrons
Outer most shell of electrons is called
Valence Shell
A charged atom is called an
Ion
Negative Ion
Excessive amount of electrons - trying to get rid of electrons.
Positive Ion
Lacking electrons (Excessive amount of protons) - trying to find another electron to balance itself out.
______ naturally want to be ______ and will get rid of or
attract free electrons to be electrically _____.
answer;
atoms
answer;
neutral
answer;
neutral
Conductors have fewer than _____ electrons in the outer shell or valence shell
1-4 or fewer than 5
Insulators have between ______ electrons in the valence shell
5-8
Insulators have a strong ____ bond (its where the electrons are shared by atoms)
Covalent
Positive ion pulls electron away from nearby atom, thus making that atom a ________ which does the same to the next.
Positive Ion
Electrons travel approximately ________ miles per second (speed of light)
186,000
Electrons flow from _____ to ______
Negative to positive
The unit of measurement ____ has 6.28 billion billion electrons and is represented by the symbol ______
answer;
Coulomb
answer;
Symbol “Q”
____ is a unit of measurement it is the flow of electrons and is measured in ____ and is represented by the symbol ___
answer;
Current
answer;
Amps
Answer;
Symbol “I”
____ is a unit of measurement it is the opposition to the flow of electrons and is measured in ____ and is represented by the symbol ___
answer;
Resistance
answer;
Ohms
answer;
Symbol “R” or Omega
____ is a unit of measurement it is the force that causes the flow of electrons and is measured in ____ and is represented by the symbol ___
answer;
Electromotive Force or EMF (Voltage)
answer;
Volts
answer;
Symbol “V”
One ____ is the resistance through which a force of one volt results in a flow of one ampere.
Ohm
One ____ represents the amount of force required to cause one amp of flow through one ohm of resistance.
Volt
____ is a unit of measurement it is the amount electricity generated or work performed by electrons and is measured in ____ and is represented by the symbol ___
answer;
Power
answer;
watts
answer;
P
One ____ is the amount of power dissipated when one amp of current flows under a force of one volt.
Watt
Mega is a Metric Prefix has a value of
Means One Million
1,000,000
“M”
1 X 10^6
Kilo is a Metric Prefix has a value of
Means One Thousand
1,000
“k”
1 X 10^3
Milli is a Metric Prefix has a value of
Means One Thousandth
1/1000 or .001
“m”
1 X 10^-3
Micro is a Metric Prefix has a value of
Means One Millionth
1/1,000,000 or .000001
“µ” mu
1 X 10^-6
Protons are ____ charged
Positively
Neutrons are ____ charged
Neutrally
Shells contain electrons that are _____ charged.
Negatively
Atoms are made of a _____ covered in _____
answer;
nucleus
answer;
Shells
