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WorksheetsForm 5 Chp 2.2 Potential Difference
Total questions: 20
Worksheet time: 15mins
Name
Class
Date
1.
The potential difference between the two ends of the wires is equal to the...
a)
resistance
b)
energy source current
c)
Potential difference between the two terminals of the battery
d)
the parallel end of the component
2.
This is related to the force that causes electric charges to flow
a)
Voltage
b)
Current
c)
Resistance
d)
Circuit
3.
Potential difference between any two points is measured in:
a)
volts
b)
joules
c)
coulombs
d)
none of these
4.
The voltmeter is an instrument used to measure __________.
a)
potential difference
b)
kilowatt-hour
c)
overloading
d)
negative, positive
5.
Is this circuit closed?
a)
Yes
b)
No
6.
Is this circuit open or closed?
a)
Closed
b)
Open
7.
According to Ohm's law, Resistance is equal to to voltage divided by:
a)
potential difference
b)
conduction
c)
time
d)
current
8.
Resistance is measured in ___.
a)
watts.
b)
amps.
c)
ohms.
d)
volt
9.
What is the formula for resistance?
a)
R = V x I
b)
R = V/I
c)
R = I/V
d)
R = V + I
10.
How many Volts would we need to produce a current flow of 8 Amps through a 6 Ohm resistor
a)
12 volts
b)
24 volts
c)
1.3333
d)
48 volts
11.
If the battery produced 12.6 Volts and what would be the current flow be for a 6 Ohm resistor
a)
2.1 Amps
b)
2.4 Amps
c)
1.71 Amps
d)
15 Amps
12.
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
13.
A Charging system producing 14.5 Volts with a current flow of 43.5 Amps, what is the circuit resistance
a)
58 Amps
b)
0.33 Amps
c)
13 Amps
d)
1 Amp
14.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
15.
this is the symbol for a _____?
a)
switch
b)
light
c)
battery
d)
wires
16.
this is the symbol for a _____?
a)
Bulb
b)
Battery
c)
Horn
d)
Fuse
17.
A 9-volt battery drives an electric current through a circuit with 4-ohm resistance. What is the electric current running through the circuit?
a)
2.25 A
b)
0.44 A
c)
5.0 A
d)
36 A
18.
A 13 Ω resistor has 0.050 A of current in it. What is the potential difference across the resistor?
a)
260 V
b)
0.65 V
c)
.004 V
d)
4 V
19.
A resistor has a resistance of 280 Ω. How much current is in the resistor if there is a potential difference of 120 V across the resistor?
a)
160 A
b)
0.12 A
c)
0.43 A
d)
2.3 A
20.
A set of electric trains are powered by a 9V battery. What is the resistance of the trains if they draw 3.0 A of current?
a)
27 Ω
b)
0.03 Ω
c)
2.7 Ω
d)
3 Ω
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