Samuels PS Electric Current Question Preview (ID: 31580)
Physical Science Electric Current.
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Charges that are stationary represents
a) static electricity
b) nonstatic electricity
c) current electricity
d) flowing electricity
Electricity that flows in one direction describes
a) direct current
b) alternating current
c) monolateral current
d) indirect current
Electricity that reverses at regular intervals is:
a) alternating current
b) direct current
c) monolateral current
d) indirect current
The difference between 2 electric charges that describes the force of flow is called
a) voltage
b) current
c) resistance
d) power
The rate of charge flow is called
a) current
b) resistance
c) voltage
d) power
Energy used per unit of time is called
a) power
b) current
c) resistance
d) voltage
The SI unit for current is
a) Ampere
b) Volt
c) Ohm
d) Watt
This is called electrical friction and is the measure of energy converted into heat due to resistance.
a) Joule heat
b) Current heat
c) Ampere heat
d) Resistance energy
Electric companies charge for electricity by this amount.
a) kilowatt-hour
b) kilovolt-minute
c) kilovolt-hour
d) kilowatt-minute
Which of the following describes a relationship between voltage, current and resistance?
a) Ohm’s law
b) Power law
c) Volt’s law
d) Ampere’s law
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