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Electrical Work
Review
• Mechanical
(N • m) or (lb • ft)
W=Fxd
• Fluid
W=PxV
(N • m) or (lb • ft)
Remember 1N •m = 1 Joule (J)
And for Electrical…….
Electrical Work
W =Vxq
Elec
Electrical
Work
Voltage
Charge
(in Colombs)
Charge is generally not given in everyday
problems, but current (amperage) is! (You
will also need time in the problem as well.)
1 Ampere (A) =
1 Coulomb (C)
1 second (s)
1 coulomb = 6.25 x 1018 Electrons
How this all ties together?
• 1 volt • coulomb = 1 Joule
• Now you can relate all areas of work to one
another using joules as the unifying unit!