Term
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Definition
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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=cross-sectional 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
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Term
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Definition
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Term
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Definition
| energy transferred per unit charge when one form of energy is transferred into lectrical energy, measured in volts (V) |
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Term
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Definition
| property of a copmponent which regulates current passing through |
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Term
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Definition
| Component which drops in resistance with increasing temperature |
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Term
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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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Term
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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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Term
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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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Term
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Definition
| Sum of the currents entering and leaving a junction is zero. (Sum entering = sum leaving) |
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Term
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Definition
| P.D. measured across the terminals of a cell using an ideal voltmeter. |
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