WorksheetsElectricity
Total questions: 20
Worksheet time: 2hrs 40mins
Name
Class
Date
1.
A circuit is running 6A at 3Ω. How many Watts is it producing.
a)
18W
b)
3W
c)
3V
d)
108W
2.
If you have a circuit running 120V at 10A what is the resistance?
a)
1200V
b)
10A
c)
12Ω
d)
12W
3.
What is the unit for power?
a)
Watts
b)
Volts
c)
Amps
d)
Ohms
4.
If you have a lightbulb that has 5Ω resistance and needs 4A to run, how many volts are needed?
a)
2V
b)
100V
c)
9V
d)
20V
5.
Your gaming system runs on 120V and is pulling 3A. How much power are you using?
a)
50Ω
b)
360V
c)
360W
d)
40W
6.
What type of circuit has only one pathway for electricity to follow?
a)
Parallel
b)
series
c)
directional
d)
unidirectional
7.
What type of current comes from the wall socket?
a)
AC
b)
DC
c)
PC
d)
RUN-DMC
8.
If your stereo runs at 20V and 2A every hour and you let it run for 2 hours. The power company is charging you $0.01 cents per Watt/hour, how much would you have to pay?
a)
$1.23
b)
$0.80
c)
$0.40
d)
$8.00
9.
The speed that electrons move through a wire is called?
a)
voltage
b)
amperage
c)
wattage
d)
watthours
10.
If you have a circuit running 12V and has 3Ω resistance, what is the current?
a)
36A
b)
4V
c)
4A
d)
3W
11.
A 240W light bulb is running at 120V. What is the current?
a)
.5A
b)
.5V
c)
2A
d)
2V
12.
What is voltage?
a)
electrical current
b)
electrical work
c)
electrical pressure
d)
electrical resistance
13.
The power company charges by the kilowatt hour. How many watts is a Kilowatt?
a)
10W
b)
100W
c)
1000W
d)
10,000W
14.
For electricity to flow through a wire, the wire must be?
a)
an insulator
b)
a resistor
c)
a conductor
d)
a load
15.
If your gameboy runs on 12V at 2A and you run it for 4 hours. How much power did you use?
a)
96W
b)
109W
c)
24W
d)
48V
16.
For a circuit to be complete, the circuit must be?
a)
closed
b)
open
c)
have a load
d)
work
17.
If you have a circuit running 15V at 5A, what is the resistance?
a)
75W
b)
2Ω
c)
2Ω 5Ω 5Ω 3Ω
d)
3A
18.
A load refers to ?
a)
a resistor
b)
something on a circuit that does work
c)
a conductor
d)
a short circuit
19.
Electrons have what charge?
a)
positive
b)
negative
c)
neutral
d)
large
20.
What is electricity?
a)
moving atoms in a circuit
b)
moving protons in a circuit
c)
light
d)
moving electrons is a circuit
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