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How Electricity Works
Ken BrewerMCOMM 520
Electric sources
• Generator – Converts mechanical energy into electrical engergy
• Battery – Chemical Energy Generates Electricity
Stepping Down• Power Station – Sub Station – Step Down
Transformer – Service Panel
Using Electricity
• Service Panel to 120V outlets in your home
Electronics
• DC Power Supply converts 120VAC to DC
• Electronics = less than 1 amp (1 amp can kill you)
Ohm’s Law
• V = I x R
• R = V/I
• I = V/R