# MOTOR VEHICLE ELECTRICS INTRODUCING OHMS LAW BY PAUL

MOTOR VEHICLE ELECTRICS INTRODUCING OHMS LAW BY PAUL LANE Original Power Point Created by Paul Lane Modified by Georgia Agricultural Education Curriculum Office June 2002 WHERE DID OHMS LAW COME FROM? Ohm, Georg Simon BORN: March 16, 1789, DI ED: J uly 6, 1854, Munich

Erlangen, Bavaria [Germany] German physicist who discovered the law, named after him, which states that the current flow through a conductor is directly proportional to the potential difference (voltage) and inversely proportional to the resistance. Ohm became professor of mathematics at the J esuits' College at Cologne in 1817. While his work greatly influenced the theory and applications of current electricity, it was so coldly received that Ohm resigned his post at Cologne. He accepted a position at the Polytechnic School of Nrnberg in 1833. Finally his work began to be recognized; in 1841 he was awarded the Copley Medal of the

Royal Society of London and was made a foreign member a year later. The physical unit measuring electrical resistance was given his name: OHMS LAW. OHMS LAW TO UNDERSTAND OHMS LAW WE MUST FIRST LEARN SOME SIMPLE ELECTRICAL SYMBOLS: SINGLE CELL FUSE SINGLE ACTION SWITCH CAPACITOR BULB

RESISTOR ELECTRICAL SYMBOLS ONE WAY DIODE VARIABLE RESISTOR EARTH WIRES CROSSING WIRES JOINING IGNITION COIL CONTACT POINT OHMS LAW WHAT IS OHMS LAW? V= I R Where:

V = VOLTAGE I = CURRENT R = RESISTANCE EXAMPLE: A 12 VOLT BATTERY SUPPLIES POWER TO A HEATED REAR WINDOW WHICH HAS A RESISTANCE OF 18 OHMS. CALCULATE HOW MUCH CURRENT IS FLOWING THROUGH THE HEATED WINDOW. V = 12 VOLTS V

I R = 18 OHMS USING THIS SIMPLE TRIANGLE WE CAN SEE THAT: R I=V R I = 12 18 I = 0.6

## Recently Viewed Presentations

• Telecommunications Introduction to telecommunication issues Digital Superhighway Bandwidth Last Mile delivery Ownership Fat or Thin Clients Content Retail and Business-to-Business Moore's Law Standard Telephone System Telecommunications History Pre 1984 Local and long distance monopoly 1984 AT&T settlement Intense long distance...
• I spaek, an I write, in Shetland dialect - dat is da regional variety o Scots we use. Sam as Doric in da North East & Orcadian in Orkney, sam as Robert Burns in da 18th Century & Irving Welsh...
• Hing Ong. ATM 419/563. April 12, 2018. This lecture is designed for students who have some background in cumulus parameterization. Cumulus parameterization: Kain-Fritsch scheme and other mass-flux schemes
• Use SOH CAH TOA to figure out the coordinate of the point below, knowing that the radius of the circle is 1. Now, find the coordinates of the following two points. Now that we know the points for one quarter...
• What does the Butler model look like on a map? Page 35 and back page Green: Starter: Draw the symbol for: View point, Tourist information, campsite, railway station. Page 35- what 4 figure grid reference has Birling Carrs? What 4...
• Credit performs skip tracing, issues refusal of service, notes premise and contacts customer for payment. Customer Service . determines if this is same party. Applies appropriate deposit rules. SSN and/or DL provided is same as on an existing account. SSN...
• AUSTRALIAN ARMY CADETS CADET ADVANCED RADIO OPERATORS COURSE * This presentation corresponds to Chapter 8 of the AAC CADET INSTRUCTOR RADIO COMMUNICATIONS HANDBOOK This course has been designed, written and developed by LTCOL(AAC) G.R. Newman-Martin, CSM, RFD ©LTCOL(AAC) G.R. NEWMAN-MARTIN...
• demonstrate a real world, not theoretical, application of disciplinary knowledge. ... Disaggregate results across time, populations, and outcomes. Protect the confidentiality and anonymity of students and faculty by examining results at the group level.