CBC Auto Tech Automotive Electrical Basics. CBC Auto Tech Atoms n Electrons n Protons n Neutrons P 19

CBC Auto TechCBC Auto Tech

Automotive Electrical BasicsAutomotive Electrical Basics


AtomsAtoms

Electrons Electrons ProtonsProtons NeutronsNeutrons

P 19


Atomic StructureAtomic Structure

Non-conductorNon-conductor Semi ConductorSemi Conductor ConductorConductor

– Levels ofLevels of


CapacitanceCapacitance

What is it What is it Where is it usedWhere is it used

P 26


EMFEMF


Ohm’s LawOhm’s Law

V = AxRV = AxR

V = IxRV = IxR

V = IxOV = IxO

All the sameAll the same

V

A x R

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V = AxRV = AxR A = V / RA = V / R R = V / AR = V / A



Circuit BoardsCircuit Boards– Create the same simple light bulb circuitCreate the same simple light bulb circuit

– Measure the Measure the precise battery voltage with battery voltage with the light bulb on.the light bulb on.

– Measure theMeasure the precise precise amperage in two placesamperage in two places

– What is the resistance for the circuitWhat is the resistance for the circuit


Use ohm’s law to figure the resistance Use ohm’s law to figure the resistance

Add the 10 ohm resister at the switchAdd the 10 ohm resister at the switch use ohm’s law to figure current.use ohm’s law to figure current. use ohm’s law to figure volts lost at:use ohm’s law to figure volts lost at:

– the resisterthe resister– the bulbthe bulb

Figure totalFigure total Then prove with your meterThen prove with your meter


Ground sideGround side

Add a second resister (15 ohm) in the Add a second resister (15 ohm) in the middlemiddle of the ground side of the ground side

use ohm’s law to figure volts lost at:use ohm’s law to figure volts lost at:– the 10 resisterthe 10 resister– the bulbthe bulb– the 15 ohm resisterthe 15 ohm resister

Figure total (volts lost)Figure total (volts lost) Then prove with your meterThen prove with your meter


LabLab

Dome light circuitDome light circuit Cars to work onCars to work on TwoTwo person teams person teams Work ordersWork orders TasksTasks TomorrowTomorrow


MagnetsMagnets


Magnetic flux linesMagnetic flux lines


Oposites Attract / Likes repelOposites Attract / Likes repel


PermeabilityPermeability

ability of materials to become ability of materials to become magnetizedmagnetized




ReluctanceReluctance


ElectromagnetismElectromagnetism







InductionInduction


InductionInduction


SaturationSaturation


EMIEMI

Electromagnetic InterferenceElectromagnetic Interference

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CBC Auto Tech Automotive Electrical Basics. CBC Auto Tech Atoms n Electrons n Protons n Neutrons P 19