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Electricity
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Describe the main characteristics of a series circuit.
Only one path for current.
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Like charges ______ each other
Repel
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If voltage goes up, current goes ___________.
up
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What is current?
Electrical flow
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Protons are ___________ charge particles.
positively
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Define Ohm's Law
The relationship between voltage, current, and resistance.
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What is a frame-ground circuit?
uses the metal structure of the vehicle to return electricity to power source
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What uses a frame-ground circuit that we used daily?
vehicles
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What is voltage?
Electrical force
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If a conductor has excess electrons it has a __________ charged.
Negative
Full
Positive
Half
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True or False? A frame- ground circuit and a one wire circuit are the same.
True
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Name the 3 parts of a simple circuit.
Power source, conductor, and Load
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Anything in the universe that occupies space ad has weight is __________
element
molecule
matter
compound
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Define electricity.
The movement of free electrons
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A substance that resists or stops the flow of electrons.
Insulator
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If a circuit has a current of 3 amps and a resistance of 5 ohms, how much voltage does it have?
15 volts
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Electrical devices can do the job of mechanical devices _________ quickly and efficiently
same
even
more
less
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Unlike charges _______ each other
attract
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If resistance goes up goes up, current goes __________.
down
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When a component uses less than one or two volts for operation it is _________
electronic
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Describe the characteristics of a parallel circuit.
more than one or multiple paths for current
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What is a circuit?
a closed electrical path for current
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What is the unit measurement of electrical power?
watt
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A group of one type of atom is a ____________
element
matter
compound
atom
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Electrons are ______________ charged particles.
negatively
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What is resistance?
opposition to current
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If a circuit has 12 volts and 3 Ohms how many amps of current does it have?
4 amps
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Magnetism is an atomic _________ that can attract or repel ferrous substances through space, air, or solid matter
Force
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A substance that allows the flow of free electrons.
Conductor
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Electricity has 3 basic functions to produce ________, _________, and _________.
light, heat, and motion
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