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Electricity
Electricity
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#Let's see what you know about electricity!
Flashcards
20 cards
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Questions
20
Answers
1
From what part of an atom is electricity?
Positrons
Neutrons
Protons
Electrons
2
A parallel circuit is brighter because...
there is more battery power.
there is more voltage.
there is more resistance.
there is more current.
3
Electric conductors _________ electricity to flow.
stop
hold the
always allow
have music while
4
As resistance in a circuit increases, current
decreases.
increases.
stays the same.
events shape the future of science.
5
Parallel Circuits have only one pathway.
False, because they are longer.
True because parallel circuits are longer.
False, because parallel circuits have independent loops.
True because they are parallel to each other.
6
What circuit would the class ceiling lights be?
both
parallel
neither
series
7
Resistance is measured in OHMS.
False
True
8
All circuits need three things in order to work. They are..
power source, pathway, receiver
light bulb, wires, battery
light bulb, switch, wires
path source, lightway, battery
9
An example of an electrical power source would be
an outlet
a battery
a generator
all of the above
10
Wood is an example of
a tree
an instrument
a conductor
an insulator
11
Series circuits have only one pathway.
True
False
12
If the light bulb lights up, the circuit is open.
True
Parallel
False
Series
13
Three properties of electricity are
red, white, blue
source, pathway, receiver
conduction, convection radiation
voltage, current, resistance
14
The difference between an insulator and resistance is:
Insulators are warm, resistance is futile.
Insulators insulate, resistance resists.
Insulators slow down electricity, resistance stops electricity
Insulators stop electricity, resistance slows it down
15
The definition of electricity is
moving electrons
circuits in a home
electrons standing still
energy do to vibrations
16
Why are circuits compared to loops?
Circuits go in circles from battery back to battery.
Loops are in rollercoasters.
Circles and loops both have the letter 'l'.
Loops are like chocolate, you never know what you'll get.
17
How is current measured?
Volts
Ohms
Amps
Watts
18
Electricity flows from the
top to the bottom of the battery
positive to the negative terminal
negative to the positive terminal
circuit to the receiver
19
Four power sources are:
Battery, voltage, current, resistance
Battery, outlet, generator, power plant
Battery, receiver, wire, generator
Battery, wire, outlet, current
20
What is electrical resistance?
It's from Star Trek, resistance is futile.
It's the free flow of electrons.
It's an underground revolution against an evil empire.
It's what slows down electricity, like a light bulb.