Last updated on: 11/01/2009

Electric Currents

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Topic Outline--print off before Friday, Sept. 4, 2009  (HL Only)

Resistance color code
bulletUnit Objectives:  This is a summary of the syllabus statements that are detailed on the topic outline.
bulletUnderstand what electric potential and electric potential difference is and how these affect the motion of charges
bulletUnderstand how basic electric circuits are constructed
bulletUnderstand and apply the relationship among potential difference, current, and electrical resistance in a circuit
bulletUnderstand electrical power as it relates to devices within electric circuits

bulletUnit Activities
bulletIntro to electrical circuits
bulletResistance in parallel and series
bulletOhm's law lab
bullet 
bullet 

 

bulletKey Terms
bulletelectric potential difference
bulletvoltage
bulletvolt
bulletproton
bulletelectron
bulletelectronvolt
bulletelectric current
bulletresistance
bulletAmpere (amp)
bulletOhm
bulletOhm's law
bulletresistivity
bulletresistor
bulletohmic behavior
bulletnon-ohmic behavior
bulletelectrical power
bulletwatt
bulletkilowatt-hour
bulletelectromotive force (e.m.f)
bulletinternal resistance
bulletelectric circuit
bulletammeter
bulletvoltmeter
bulletmultimeter
bulletpotential divider

 
 

bullet

Equations

 

     

 

 

bulletUnit Notes
bullet Electrical conduction (pdf)
bullet Ohm's law and power (pdf)
bullet Circuit analysis (Kirchoff's rules) (pdf)