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WorksheetsCurrent Electricity
Total questions: 34
Worksheet time: 28mins
The part shown at the top of the circuit is the ________.
resistor
capacitor
switch
fuse
When the switch is open, the circuit will ________.
work well
work a little
not work at all
A device that turns a circuit off by melting is a _________.
fuse
circuit breaker
resistor
capacitor
A circuit component that turns the circuit off when it overloads is a ________. It does not melt.
fuse
circuit breaker
battery
capacitor
A circuit is made with the following resistors in parallel: 2Ω, 4Ω, and 6Ω. The total resistance is ____.
more than 6Ω
betwen 2Ω and 6Ω
less than 2Ω
A circuit is made with the following resistors in series: 2Ω, 4Ω, and 6Ω. The total resistance is ____.
more than 6Ω
betwen 2Ω and 6Ω
less than 2Ω
Measures how much charge passes a point per second. (How fast charge flows.)
Voltage
Current
Resistance
Power
Measures the potential difference across a component.
Voltage
Current
Resistance
Power
Measures a circuit's ability to "slow down" the flow of charges.
Voltage
Current
Resistance
Power
What is the component shown on the left of the circuit?
Switch
Resistor
Battery
Diode
What is the component shown on the right (top) of the circuit?
Switch
Resistor
Battery
Diode
A "load" uses this.
Voltage
Current
Resistance
Power
A parallel circuit has a constant ________.
voltage
resistance
current
power
A series circuit has a constant ________.
voltage
resistance
current
power
Amps or Amperes is a measure of ________.
voltage
resistance
current
power
Ohms or Ω is a measure of ________.
voltage
resistance
current
power
How much power is used by a device that has a potential difference of 6.0 V and a current of 2 A?
12 W
3 W
1/3 W
2/3 W
What is the current flowing through a device that has a potential difference of 6.0 V and a resistance of 3.0 Ω?
2.0 A
18 A
0.5 A
12 A
What is the power loss through a device that has a potential difference of 6.0 V and a resistance of 3.0 Ω?
2.0 W
18 W
0.5 W
12 W
What type of circuit is shown?
Simple
Series
Parallel
Mixed/complex
What type of circuit is shown?
Simple
Series
Parallel
Mixed/complex
What type of circuit is shown?
Simple
Series
Parallel
Mixed/complex
What type of circuit is shown?
Simple
Series
Parallel
Mixed/complex
What is the name of the component on the bottom of the picture?
Capacitor
Battery
Resistor
Current
Three resistors are in series: 100Ω, 200Ω, and 50Ω. What is the total resistance?
350Ω
28.6Ω
0.035Ω
250Ω
Three resistors are in parallel: 100Ω, 200Ω, and 50Ω. What is the total resistance?
350Ω
28.6Ω
0.035Ω
250Ω
How much does it cost to run a 1200 W space heater for 24 hours at a cost of $0.09 per kWh?
$2592
$28.80
$2.59
$0.11
This type of current flows in one direction.
Alternating current
Direct current
Series current
Parallel current
This type of current flows in both back-and-forth directions.
Alternating current
Direct current
Series current
Parallel current
The 3Ω resistor is removed. Which resistor will still receive current?
Only the 2Ω and 7Ω, because it is in parallel
Only the 2Ω and 7Ω, because it is in series
None of them, because the bulb is in series
None of them, because the bulb is in parallel
The 2Ω resistor is removed. Which resistor will still receive current?
Only the 2Ω and 7Ω, because it is in parallel
Only the 2Ω and 7Ω, because it is in series
All of them, because the bulb is in series
All of them, because the bulb is in parallel
A voltmeter is connected __________ into the circuit.
in parallel
in series
A device that converts chemical energy into electrical energy.
Photocell
Alternator
Generator
Battery
A device that converts mechanical energy into electrical energy.
Photocell
Alternator
Generator
Battery
