Name………………….. Class……………..
Characteristics of Electricity – Measuring Electricity
Potential Difference Calculations Worksheet
potential difference = work
charge
1. Find the unknown quantity:
a) V = ?
b) V = 9 V
W = 45 J
W=?
Q = 15 C
Q = 150 C
V=W
Q
W
VQ
Units: V is V (volts)
Q is C (coulombs)
W is J (joules)
c) V = 1.5 V
W = 225 J
Q=?
A question of flow
2. Draw a simple circuit with a cell and a bulb in it. Draw on the
conventional current and the electron flow:
1
EASIEST
2-5
MEDIUM
WORD PROBLEMS
3. The potential difference between the two terminals on a battery is 9 volts.
How much work (energy) is required to transfer 10 coulombs of charge
across the terminals?
4. Ten joules of work (energy) are required to transfer 2 coulombs of charge
from X to Y. What is the difference in potential between these two points?
5. It requires 600 joules of energy to transfer a quantity of charge between
points C and D of a circuit, which have a potential difference of 30 volts.
How much charge is transferred?
6. Find the unknown quantity (CONVERT FIRST to volts, joules, or coulombs)
a) V = 1000 mV = b) V = ?
c) V = 1.21 GV
______ V
W = 1.25 kJ =
=_________V
W=?
_________ J
W=?
Q = 20 C
Q = 1500 C
Q = 2 000 000 C
7. On PowerPoint.
6-7
HARDEST
Name………………….. Class……………..
Characteristics of Electricity – Measuring Electricity
Potential Difference Calculations Worksheet
potential difference = work
charge
1. Find the unknown quantity:
a) V = ?
b) V = 9 V
W = 45 J
W=?
Q = 15 C
Q = 150 C
V=W
Q
W
VQ
Units: V is V (volts)
Q is C (coulombs)
W is J (joules)
c) V = 1.5 V
W = 225 J
Q=?
1
EASIEST
A question of flow
2. Draw a simple circuit with a cell and a bulb in it. Draw on the
conventional current and the electron flow:
2-5
MEDIUM
WORD PROBLEMS
3. The potential difference between the two terminals on a battery is 9 volts.
How much work (energy) is required to transfer 10 coulombs of charge
across the terminals?
4. Ten joules of work (energy) are required to transfer 2 coulombs of charge
from X to Y. What is the difference in potential between these two points?
5. It requires 600 joules of energy to transfer a quantity of charge between
points C and D of a circuit, which have a potential difference of 30 volts.
How much charge is transferred?
6-7
HARDEST
6. Find the unknown quantity (CONVERT FIRST to volts, joules, or coulombs)
a) V = 1000 mV = b) V = ?
c) V = 1.21 GV
______ V
W = 1.25 kJ =
=_________V
W=?
_________ J
W=?
Q = 20 C
Q = 1500 C
Q = 2 000 000 C
7. On PowerPoint.