Current Resistance & Power

Current, Resistance & Power March 11th, 2009

Current (I) ,[object Object],[object Object],[object Object],[object Object],[object Object]

Power ,[object Object],[object Object],[object Object],[object Object],[object Object]

The current and power equations can be combined to form a new equation P=  V * I ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Sources & Types of Current ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Resistance ,[object Object],[object Object],[object Object],[object Object],[object Object]

Electrons do not move in straight line paths ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

How to read a resistor ,[object Object],[object Object],[object Object],[object Object]

Ohm’s Law ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Summary of Terms, Equations and Units W*s or V*C Joule (J)  PE=  V*q  PE Energy V/A Ohm (  ) R=  V/I R Resistance J/s Watt (W) P=  PE/t P Power C/s Amperes (A) I=q/t I=  V/R I Current J/C Volt (V)  V=PE/q  V=IR  V Potential Difference (Voltage) Other Units Standard Unit Equation Symbol Quantity

Activity ,[object Object],[object Object],[object Object],[object Object],[object Object]

Current Resistance & Power

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