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Y10S2-electricity

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Created on December 6, 2023

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Transcript

Y10 Section 2 ELECTRICITY

Content

1 · Electrostatics

2 · Current, voltage, charge

3 · mains electricity

4 · Electrical circuits (current and voltage rules)

5 · Electrical power

6 · Soldering?:)

7 · The rest of side talks:D

Electrostatics

You can write a subtitle here

  • Electrical charges
    • sign: positive and negative
    • protons or lack of electrons - positive
    • electrons - negative
  • Coulomb (electric) force:
    • Charges alike - repulsive
    • charges unlike - attractive
  • Conductors and insulators
    • metallic bond - see/gas of delocalised electrons
  • Devices:
    • Electroscope (qualitativetive)
    • Electrometer (quantitative)
    • Electrostatic machine (with Leiden bottle)
    • Van de Graff generator
  • How to charge something?
    • friction
    • conduction
    • induction (at distance)
  • Electrical fields:
    • field lines
    • direction of the field
  • Applications:
    • electrostatic precipitation
    • photocopying
    • paint spraying

https://phet.colorado.edu/sims/html/coulombs-law/latest/coulombs-law_all.html

https://en.wikipedia.org/wiki/Van_de_Graaff_generator

Electroscope

https://byjus.com/physics/gold-leaf-electroscope/

https://www.youtube.com/watch?v=ViZNgU-Yt-Y

water - dipol

https://www.quora.com/Why-is-water-consider-a-dipole-dipole-force

https://youtu.be/-ntOkgo7knY?si=FSLSp-Az2xDkPUhs
https://www.youtube.com/watch?v=2HhaQtvICe8
How much is "1 Coulomb"?

https://phet.colorado.edu/en/simulations/charges-and-fields

Electric potential (also called the electric field potential, potential drop, the electrostatic potential) is defined as the amount of work energy needed per unit of electric charge to move the charge from a reference point to a specific point in an electric field

Voltage, also known as electric pressure, electric tension, or (electric) potential difference, is the difference in electric potential on a line from a point to a second point. In a static electric field, it corresponds to the work needed per unit of charge to move a positive test charge from the first point to the second point. In the International System of Units (SI), the derived unit for voltage is the volt (V). [1]

Potential well Saddle point

Current, charge, voltage

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  • V - Voltage - Volts
  • A - Current - Ampers/Amps
  • omega - Resistance - Ohm
circuit continuity tester

https://www.electronicsforu.com/technology-trends/learn-electronics/difference-between-ac-and-dc

https://www.freeingenergy.com/understanding-the-basics-of-electricity-by-thinking-of-it-as-water/

Q t

I =

https://www.nextpcb.com/blog/multimeter-symbol-explained

Electric circuits

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https://www.digikey.pl/pl/articles/how-to-drive-multicolor-leds

photoresistor

https://www.electricaltechnology.org/2021/11/thermistor.html

https://igoyeenergy.com/residual-current-circuit-breaker-how-it-works-and-use/

https://www.electrical4u.com/electrical-circuit-breaker-operation-and-types-of-circuit-breaker/

https://pl.pinterest.com/pin/694680311290232344/

https://www.bbc.co.uk/bitesize/guides/z3fsmsg/revision/2

https://pl.pinterest.com/pin/640003797046320809/

Ohms law

You can write a subtitle here

https://www.falstad.com/circuit/

https://phet.colorado.edu/sims/html/circuit-construction-kit-dc/latest/circuit-construction-kit-dc_all.html

V R

I =

https://www.elevise.co.uk/gapp2q5a.html

Electrical power

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https://app.electricitymaps.com/zone/PL

Bonus

Integrated circuits