NEW
Font size
S
M
L
XL
Worksheetsohms law
Total questions: 10
Worksheet time: 15mins
Name
Class
Date
1.
Speakers need a household voltage of 110 V to push a current of 5.5 A through them. What is the
resistance of the speakers?
a)
10Ω
b)
20Ω
c)
30Ω
d)
40Ω
2.
An alarm clock draws 0.5 A of current when connected to a 120 volt circuit. Calculate its resistance.
a)
60Ω
b)
120Ω
c)
180Ω
d)
240Ω
3.
What voltage is needed to cause a 2A current flow through a 10Ω resistor?
a)
5V
b)
0.2V
c)
20V
d)
200V
4.
How do you calculate voltage?
a)
Current X Resistance
b)
Resistance ÷ Current
c)
Current ÷ Resistance
d)
Measure it with a ruler
5.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
6.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
7.
What size resistor would produce a 3 Amp current flow with a 12 Volt battery
a)
1 Ohm
b)
3 Ohms
c)
4 Ohms
d)
12 Ohms
8.
What is the resistance of a lightbulb that experiences 9 Volts and 3 amps of current?
a)
1/3 ohms
b)
3 ohms
c)
27 ohms
d)
9 ohms
9.
What unit is used to measure resistance?
a)
Ohms
b)
Omega
c)
Volts
d)
Amps
10.
What unit is used to measure current?
a)
Ohms
b)
Omega
c)
Volts
d)
Amps
Reset
