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WorksheetsPLTW POE Electricity Quiz Review
Total questions: 17
Worksheet time: 17mins
Which type of charge does an electron carry?
Positive
Both positive and negative
Neutral
Negative
Which type of charge does a proton carry?
Both positive and negative
Negative
Neutral
Positive
Which type of charge does a neutron carry?
Positive
Negative
Both positive and negative
Neutral
The atomic number is the number of ____ in an atom.
electrons
neutrons
protons
energy levels
What is the name of the outermost ring of electrons in an atom?
orbital
conduction band
energy level
valence shell
What is the maximum number of electrons that can fit in an atom’s outermost orbit?
2
6
8
18
Copper is an example of a _____.
conductor
insulator
semiconductor
resistor
Rubber is an example of a _____.
conductor
insulator
semiconductor
electrolyte
Voltage is measured in _____.
volts (V)
amperes (A)
ohms (Ω)
watts (W)
Current is measured in _____.
watts (W)
volts (V)
amperes (A)
ohms (Ω)
Resistance is measured in _____.
amperes (A)
watts (W)
ohms (Ω)
volts (V)
The symbol for ohm is _____.
Ω
O
ohm
ω
When a switch is open (off), which is true?
No current; no voltage
Current; voltage present
Current; no voltage
No current; voltage present
Which formula represents Ohm’s Law?
I = V × R
V = I ÷ R
V = I × R
R = I × V
In a series circuit, the current is ____ through all components.
the same
different
zero
inversely proportional to voltage
In a parallel circuit, the voltage is ____ across all branches.
the same
different
zero
inversely proportional to resistance
Electrical power in a circuit is calculated using which formula?
P = V + I
P = V × I
P = I × R
P = V / R
