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WorksheetsCurrent Electricity
Total questions: 21
Worksheet time: 11mins
Name
Class
Date
1.
What does the W stand for on the ohm's law wheel?
a)
amps
b)
volts
c)
watts
d)
ohms
2.
What does the I stand for on the ohm's law wheel?
a)
current
b)
voltage
c)
power
d)
ohms
3.
What does the R stand for on the ohm's law wheel?
a)
resistance
b)
voltage
c)
current
d)
mass
4.
What does the V stand for on the ohm's law wheel?
a)
current
b)
Voltage
c)
amperes
d)
watts
5.
What is the current in ampere through a 1440 watt and 10 ohm device?
a)
10
b)
144
c)
12
d)
14.4
6.
What is the resistance of a 120 volt, 3 amp device?
a)
360
b)
40
c)
4
d)
0.025
7.
What isthe current in ampere through a 100 watt and 120 volt device?
a)
8.3
b)
0.83
c)
120
d)
109.5
8.
What 1 kW is equivalent to __________ watts?
a)
100 W
b)
1,000 W
c)
10,000 W
d)
10 W
9.
What is the wattage rating of a 240 volt, 6 amp device?
a)
1.44
b)
14.4
c)
144
d)
1440
10.
What is the voltage of a 60 ohm, 2 amp device?
a)
30
b)
0.033
c)
10.95
d)
120
11.
How is electrical pressure measured?
a)
ohm
b)
volts
c)
watts
d)
amps
12.
Resistance is measured in what unit?
a)
ohms
b)
amps
c)
watts
d)
volts
13.
Power is measured in what unit?
a)
amps
b)
volts
c)
watts
d)
ohms
14.
Current is measured in what unit?
a)
ohms
b)
volts
c)
watts
d)
amps
15.
What does the Greek letter Ω, (i.e. Omega) represent?
a)
amps
b)
volts
c)
watts
d)
ohms
16.
What is a kilo equal to?
a)
100
b)
1,000
c)
100,000
d)
1,000,000
17.
Which of the following is NOT a good conductor?
a)
aluminum
b)
mica
c)
silver
d)
copper
18.
Which of the following is NOT a good insulator?
a)
rubber
b)
wood
c)
iron
d)
plastic
19.
if resistance of a circuit is tripled, and the voltage stays the same, the current will_
a)
double
b)
decrease by one third
c)
triple as will
d)
not change
20.
Potential difference is another term for
a)
current
b)
voltage
c)
energy
d)
watts
21.
what is the power of a lamp whose current is 6 A and the voltage across it is 120 V?
a)
120 W
b)
720 W
c)
16 W
d)
10 W
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