Electricity and Circuits Philipp Koehn 2 February 2018 Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
Still Magic? 1 Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
2 water Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
Flow of Water 3 • Water is stored in bucket • Gravity pulls water through pipe • Core concepts – water pressure – size of the pipe – amount of water flow per time unit Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
More Pressure 4 • Bucket filled twice as much • Double water pressure ⇒ Double water flow Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
Bigger Pipe 5 • Pipe twice as big • Twice as much water in pipe ⇒ Double water flow Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
Electricity 6 • Electrons are stored in battery • Electric field pulls electrons through wire • Core concepts – voltage = electron pressure – ampere = size of the pipe – watt = amount of electrons flow per time unit – watt hour = amount of electrons • 1 kWh costs about 10 cents Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
7 generating electricity Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
Water Power 8 Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
Wind Power 9 Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
Steam Power 10 Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
Electric Generator 11 Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
Right Hand Rule 12 Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
Creating a Magnetic Field 13 Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
14 circuits Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
Light Bulb 15 Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
Light Bulb with Switch 16 Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
AND 17 Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
OR 18 Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
Electromagnet 19 Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
Relay 20 Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
Normally Closed Relay: NOT 21 Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
22 gates Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
Light Bulb with Switch 23 Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
Relay 24 Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
AND Gate 25 Symbol: Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
OR Gate 26 Symbol: Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
NOT Gate 27 Symbol: Philipp Koehn Computer Systems Fundamentals: Electricity and Circuits 2 February 2018
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