Electricity Review Question Preview (ID: 59395)


Reviewing For G9 Electricity Test. TEACHERS: click here for quick copy question ID numbers.

Which is false
a) Unlike charges attract
b) Like charges repel
c) Charged objects attract uncharged objects
d) Electrons follow the path of most resistance

Unit of Resistance
a) Volt
b) Amp
c) Ohm
d) Joule

Unit of Energy
a) Volt
b) Amp
c) Ohm
d) Joule

Unit of Current
a) Volt
b) Amp
c) Ohm
d) Joule

Unit of Voltage
a) Volt
b) Amp
c) Ohm
d) Joule

any material that allows charges to move freely
a) Conductor
b) Insulator
c) Distributor
d) Transformer

any material in which the charge does not pass through
a) Conductor
b) Insulator
c) Distributor
d) Transformer

Carries high energy electricity
a) Hot wire
b) Neutral wire
c) Ground wire
d) Live wire

An example of electrical discharge is
a) clapping your hands
b) stomping your feet
c) shocking your friend
d) moving your eyes

Water can conduct electricity
a) True
b) I don't know
c) False
d) Yes

an instrument used to measure weak currents
a) ammmeter
b) galvanometer
c) voltmeter
d) ohmmeter

Connecting an object to Earth to rebalance the charge is to...
a) Discharge
b) Ground
c) Charge
d) Disperse

Current is the measure of
a) how hard electrons must be pushed to go through a circuit
b) how fast electrons pass through a circuit
c) how much electrons are slowed down in a circuit
d) how much the ciruit will shock you

a strong temporary magnet, created by inserting a soft iron core into a coil of wire and then passing a current through the wire.
a) electrical induction
b) electromagnet
c) magnetic indiction
d) ferromagnet

current that flow in one direction
a) AC
b) DC
c) Solar
d) Nuclear

the ratio of the useful work or energy provided by a machine with the actual work or energy supplied to the machine
a) Power
b) Effficiency
c) Resistance
d) Voltage

acts as a switch and safety device that can cut all power coming into the home
a) circuit breaker
b) series circuit
c) parallel circuit
d) corrosion

an instrument used to measure large currents
a) ammeter
b) galvanometer
c) voltmeter
d) ohmmeter

Electricity produced in a generator where the current flowing from the generator changes direction regularly
a) DC
b) AC
c) Solar
d) Wind

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