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WorksheetsElectric Energy
Total questions: 21
Worksheet time: 2hrs 45mins
In both a dry cell and a wet cell battery, what causes the production of electrical current?
a chemical reaction
a step-down substation transformer
magnets
generators at a power plant
What is the wavy line called that is displayed when sensors are used to measure the electrical signals from our heart?
magnetic resonance imaging
electrocardiogram
electrical heart monitor
cardiac curve
Which type of multi-load circuit can turn off one load without affecting the other loads?
a parallel circuit
a line circuit
a magnetic circuit
a series circuit
What happens when a wire passes through a magnetic field?
A dry cell battery is created
A wet cell battery is created
nothing happens
Electricity is produced.
Which of the following is not part of a circuit?
load
rim
power source
conductor
What is the unit of measure for the rate at which electricity flows?
watt
volt
ohms
ampere
When two objects are rubbed together, what moves from one object to another creating charged objects and static electricity?
electrons
energy levels
protons
watts
Where would you NOT find electricity?
computers
lightning
fire
telephones
Particles with the _________ charge are attracted to each other.
same
opposite
A series circuit has _______ conductive path(s).
one
two
three
four
A parallel circuit has ________ conductive path(s).
one
more than one
zero
A(n) ________ is formed when an electric current passes through an unbroken path of conductors.
battery
insulator
surge protector
circuit
Usually, the electric charge that moves is the _______. They can move from one object to another, causing the material to take on a temporary change.
electron
proton
static
Units called ______ describe how strongly electrons flow from one object to another.
joules
volts
watts
What is the Law of Conservation of Energy?
law that requires you to save energy
energy can be created and can be destroyed
energy cannot be created or destroyed
fake news
What kind of energy does a battery use to power electrical circuits?
mechanical
chemical
kinetic
solar
What makes up an electric circuit?
Bulb and battery
Bulb, battery and switch
Bulb, battery and wire
When a circuit is open, the lamp is _________?
on
off
