physics: electrons, waves and photons OCR

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  • Created by: joe
  • Created on: 05-04-11 15:09

Current

 

What is current?

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Current

 

Current is Rate of Flow of Charge

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Coulomb

 

What is A Coulomb?

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Coulomb

One Coulomb is the Amount of Charge that Passes in One second when the current is One ampere

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Voltage

 

How is One Volt Defined?

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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

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Drift Velocity

What is the formula for the current using Drift velocity of Electrons in a Conductor?

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Drift velocity

I=nAve

I-Current in Amps

n-Number of charge carriers per M

A-Cross-sectional Area in M2

v- drift velocity in Ms-1

 e-elementary charge (charge per electron) 

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Comments

tashfeen

fankx..............:D

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