Potential Difference Calculations Worksheet
Science, Gr. 9
Characteristics of Electricity – Measuring Electricity
Potential Difference Calculations Worksheet
1. Find the unknown quantity:
|a) V = ? |b) V = 9 V |c) V = 1.5 V |
|E = 45 J |E = ? |E = 225 J |
|Q = 15 C |Q = 150 C |Q = ? |
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2. Find the unknown quantity (CONVERT FIRST to volts, joules, or coulombs)
|a) V = 1000 mV = ______ V |b) V = ? |c) V = 1.21 GV =_________V |
|E = ? |E = 1.25 kJ = _________ J |E = ? |
|Q = 20 C |Q = 1500 C |Q = 2 000 000 C |
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WORD PROBLEMS
1. 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?
2. 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?
3. 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?
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E
VQ
V = E Units: V is V (volts)
Q Q is C (coulombs)
E is J (joules)
potential difference = energy
charge
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