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WorksheetsCircuits Quiz Review
Total questions: 20
Worksheet time: 12mins
What is constant in a series circuit?
resistance (measured in ohms)
current (measured in amps)
voltage (measured in volts)
power (measured in watts)
What is constant in a parallel circuit?
resistance (measured in ohms)
current (measured in amps)
voltage (measured in volts)
power (measured in watts)
Which of the following are examples of devices that turn other forms of energy into electricity? (Choose all that are correct.)
generator
motor
dry cell
solar cell
wire
What type of current supplies electricity in homes and businesses?
conventional current
direct current
potential current
alternating current
In a series circuit, the equivalent resistance of the circuit will always be
larger than any individual resistance.
smaller than any individual resistance.
equal to the largest individual resistance.
equal to the smallest individual resistance.
What's another name for a joule per coulomb?
amp [A]
ohm [Ω]
volt [V]
watt [W]
What unit equals a Coulomb per second?
watt [W]
joule [J]
ohm [Ω]
amp [A]
When light bulbs are attached in series and one goes out, what happens to the others?
They stay lit, but get dimmer.
They get brighter.
They all go out.
It depends on the resistances of the other bulbs.
When bulbs are attached in parallel and one goes out, what happens to the others?
They stay lit, but get dimmer.
They stay lit with the same brightness.
They each get brighter by the same amount.
They all go out.
It depends on the resistances of the other bulbs.
These resistances are attached in parallel: 8 Ω, 4 Ω, 40 Ω. What is the effective resistance in this case?
0.4 Ω
2.5 Ω
4 Ω
40 Ω
52 Ω
What type of current does a calculator battery (size AAA) supply?
direct current
alternating current
conventional current
potential current
What electrical safety features is found in some portable equipment, and is designed to break if too much current is flowing?
circuit breaker
fuse
GFCI
switch
Which of these units measures energy consumption in homes?
kilowatt-hour
watt
amp
volt
Over 20 seconds, 0.60 Coulombs of charge flows in a circuit with a resistance of 50 Ω. What is the source voltage in this circuit?
0.03 V
0.67 V
1.5 V
12 V
30 V
According to Ohm's Law, which quantity is inversely proportional to current?
power
voltage
charge
resistance
What is the name for the imaginary flow of charge from the positive to the negative terminals of a battery, exactly opposite to the real flow of electrons?
alternating current
direct current
conventional current
potential current
Two 1.5-V batteries supply 12 W of power to a circuit. How much resistance does this circuit have?
(Hint: Try using two equations to solve this!)
0.75 Ω
1.33 Ω
4 Ω
12 Ω
12 Ω
A series circuit connects a 20 Ω, a 2 Ω, and a 10 Ω resistor. Which resistor has the most current passing through it?
20 Ω resistor
2 Ω resistor
10 Ω resistor
The current is the same through all of them.
The same series circuit connects a 20 Ω, a 2 Ω, and a 10 Ω resistor. Which resistor has the greatest voltage drop across it?
20 Ω resistor
2 Ω resistor
10 Ω resistor
They all have the same voltage drop across them.
A parallel circuit has three branches with resistances 2 Ω, 8 Ω, and 40 Ω. Which branch has the greatest voltage drop across it?
2 Ω branch
8 Ω branch
40 Ω branch
All branches experience the same voltage drop.
