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charge
introductory lesson - charge
| Term | Definition |
|---|---|
| equation for charge in terms of current | charge = current x time |
| equation for charge in terms of the elementary charge | charge = multiple of the elementary charge |
| current definition | the rate of flow of charge |
| relative charge definition | whole number (quantized) multiples of e |
| conventional flow direction | positive to negative terminal |
| electron flow direction | negative to positive terminal |
| units for charge (Q) | Coulombs (C) |
| units for current (I) | Amperes (A) |
| size of the elementary charge (e) | 1.6 x 10^-19 C |
| link between coulombs and amps | 1 coloumb = 1 ampere second |
| elementary charge definition | the charge of a proton |