physics: electrons, waves and photons OCR questions and answers 3.0 / 5 based on 7 ratings ? PhysicsWavesASOCR Created by: joeCreated on: 05-04-11 15:09 Current What is current? 1 of 8 Current Current is Rate of Flow of Charge 2 of 8 Coulomb What is A Coulomb? 3 of 8 Coulomb One Coulomb is the Amount of Charge that Passes in One second when the current is One ampere 4 of 8 Voltage How is One Volt Defined? 5 of 8 Voltage One Volt is the Potential difference across A Component when you convert One Joule of Energy moving One Coulomb of Charge. 1V=1JC-1 6 of 8 Drift Velocity What is the formula for the current using Drift velocity of Electrons in a Conductor? 7 of 8 Drift velocity I=nAve I-Current in Amps n-Number of charge carriers per M3 A-Cross-sectional Area in M2 v- drift velocity in Ms-1 e-elementary charge (charge per electron) 8 of 8
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