1 / 14

Electricity Part 2

Learn about the various components used in building electrical circuits, including resistors, capacitors, transistors, diodes, LEDs, and more. Understand their functions, symbols, and measurements.

mfarris
Download Presentation

Electricity Part 2

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Electricity Part 2

  2. Building Electrical Circuits Components

  3. Components • Resistors • Inhibits (resists) the flow of electricity • Like debris in a drain slows the flow of water • Measured in Ohms • Symbol

  4. Components Non-polarized • Capacitors • Allow Alternating Current (AC) to flow • Block Direct Current (DC) • Store electricity temporarily • Measured in microfarads (μF) • Symbols Polarized

  5. Components • Transistors • Uses • amplify weak signals • oscillator • allow signals to flow in pulses • switch • to connect or disconnect other components

  6. PNP NPN Components • Transistors have 3 connections • C – Collector • B – Base • E – Emitter • Symbols C C B B E E

  7. Components • Diodes • Allow electricity to flow in only ONE direction • Acts like a valve in a water pipe • Symbol

  8. Components • LED’s – Light Emitting Diodes • Allow electricity to flow in only ONE direction • Give off light • Used as indicators • Symbol

  9. Components • Control • A variable (changing) resistor • Used as a dimmer, volume control, etc. • Symbol

  10. Components • Semiconductor (Cadmium Sulfide Cell- CdS) • Conducts electricity AND partially resists it at the same time • Special device used as an automatic control. • Symbol λ

  11. Components Wait... NO! NO! NO! • Transformer • A device used to increase or decrease electricity’s voltage and current to “match” other circuits so they function efficiently • Symbol That's better!

  12. Components • Speaker • converts electrical energy into acoustical (sound) energy • Earphones • Also converts electrical energy into acoustical energy • Best to hear very weak sounds • Symbols

  13. Components • Battery • A "cell" • A device in which the reaction between two chemical substances can convert chemical energy into useful electricity • Symbol

  14. A B Components “Key” switch • Switch • Used to connect or disconnect electrical components • When “thrown” it completes the circuit allowing electricity to flow. • Symbols “toggle” switch

More Related