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WorksheetsOhm's law
Total questions: 26
Worksheet time: 17mins
Name
Class
Date
1.
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
2.
What is current measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
3.
What is resistance measured in?
a)
Ω (Ohms)
b)
V (Volts)
c)
A (Amps)
d)
W (Watts)
4.
What is Resistance?
a)
The flow of electrons
b)
Electric potential difference
c)
A battery
d)
The ability to reduce the flow of electrons
5.
Electricity that flows in a closed path is called a
a)
path
b)
current
c)
circuit
d)
light
6.
What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?
a)
25 V
b)
10 V
c)
2.5 V
d)
0.4 V
7.
The mathematical relationship among Voltage, Current, and Resistance
a)
Faraday's Law
b)
Tesla's Law
c)
Edison's Law
d)
Ohm's Law
8.
Current times Resistance equals
(I X R)
(I X R)
a)
Power
b)
Voltage
c)
Amperage
d)
Ohm
9.
Voltage divided by Resistance
(V / R)
a)
Current
b)
Power
c)
Ohms
d)
Watts
10.
Voltage divided by Current
(V / I)
a)
Current
b)
Power
c)
Resistance
d)
Watts
11.
If the Voltage is increased and the resistance stays the same, Current will
a)
Increase
b)
Decrease
c)
Stay the same
d)
X
12.
If the Voltage stays the same and Resistance is increased, Current will
a)
Increase
b)
Decrease
c)
Stay the same
d)
X
13.
Resistor
a)
b)
c)
d)
14.
Ohms
a)
b)
c)
d)
15.
When using electricity, what are V, I, and R?
a)
Venezuela, India, Republic of Korea
b)
Variable, Integer, Real Number
c)
Violet, Indigo, Red
d)
Voltage, Current Intensity, Resistance
e)
Three letters
16.
If you have three 1.5V batteries in series, what would be total voltage be?
a)
3.4 V
b)
4.5 V
c)
1.5 V
d)
3 V
17.
An expression for the overall power in a circuit is:
a)
watts
b)
voltage
c)
current
d)
resistance
18.
A tool that measures voltage, current, resistance, and continuity is called a:
a)
voltmeter
b)
resistor
c)
multimeter
d)
screwdriver
19.
How is the value of resistance marked on a precision resistor?
a)
printed
b)
color bands
c)
number/letter code
d)
military specification code
20.
How does resistance affect current?
a)
less resistance - less current
b)
more resistance - less current
c)
more resistance - more current
d)
resistance does not affect current
21.
What is the name of an object that opposes to electrity?
a)
Circuit
b)
Resistance
c)
Electron
d)
Current
22.
a)
resistor
b)
photo resistor
c)
variable resistor
d)
photo switch
23.
Which resistor will prevent the most current flow?
a)
1 ohm
b)
100 ohms
c)
1000 ohms
d)
0.5k ohms
24.
What does the 3rd band on a resistor represent?
a)
A number
b)
The Tolerance level
c)
The multiplier
d)
The electronic range
25.
What type of circuit is the most efficient?
a)
Combination circuit
b)
Series circuit
c)
Parallel circuit
d)
Isometric circuit
26.
What material is a resistor made of?
a)
Graphite
b)
Carbon
c)
Glass
d)
Mica
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