Iona Physics
Electricity Review
|Variable |Symbol |Definition |Units |
|Charge |q | |Coulomb |
|Energy or work |W |W = f*d |Joule |
|Potential Difference or |V |V=W/q |Volt = Joule/Coulomb |
|Voltage | | | |
|Current |I |I = q/t |Amp = Coul/sec |
|Resistance |R |R=V/I |Ohm = Volt/Amp |
|Power |P |P = VI |Watt = Volt*Amp |
|Energy or work |W |W = Pt |Joule = Watt*sec |
1 elementary charge = 1.6 x10 -19 Coulomb
1 Coulomb = 6.25 x10 18 Elementary charges
Coulomb’s law
Electric Field
Series Circuits (only one path)
Parallel Circuit (more than one path)
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