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Physics electricity
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Gravity
Terms in this set (14)
Electric current definintion
The rate of flow of charge
Potential difference definition
Work done per unit charge
Equation for current
I = Q/t
Equation for voltage
V = W/Q
Resistance equation
R = V/I
Equation for resistivity
Resistivity = RA/L
Energy equation
E = IVt
Power equation (simple)
P = IV
Power equation (I and R)
P = I^2R
Power equation (V and R)
P = V^2/R
Equation for emf (using energy)
EMF = E/Q
Equation for EMF (internal resistance)
EMF = I(R+r)
EMF definition
The electrical energy produced per unit charge passing through the source
Electrical power definition
The rate of energy transferred (or the energy transferred per unit of charge)
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