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Definition


Term

Definition
The current through a conductor is proportional to the applied P.D. provided physical constants such as temperature remain constant. 


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Definition
rho = RA/l (l=length, R=resistance, A=crosssectional area) 


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Definition
A power of 1000 watts for 3600s, therefore 3600000J. 


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Definition
The average velocity of an electron as it travels through a conductor due to a P.D. 


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Definition
Current x time (measured in Coulombs) 


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Definition


Term

Definition


Term

Definition
energy transferred per unit charge when one form of energy is transferred into lectrical energy, measured in volts (V) 


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Definition
property of a copmponent which regulates current passing through 


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Definition
Component which drops in resistance with increasing temperature 


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Definition
electrical energy transferred per nit charge when electrical energy is converted into another form 


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Definition
model used to describe movement of charge in a circuit: + to  


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Definition
When one coulomb of charge gains one Joule of energy, the accelerating potential difference is one Volt. 


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Definition
The sum of the e.m.fs = sum of P.Ds (IxR) in a closed loop 


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Definition
Sum of the currents entering and leaving a junction is zero. (Sum entering = sum leaving) 


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Definition
P.D. measured across the terminals of a cell using an ideal voltmeter. 

