Fundamentals of Electronics

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Questions and Answers

Ciamar a bhios CamScanner a' toirt taic do chleachdadh a' cheamara?

  • A' leigeil le cleachdadh dhealbhan à bhogsaichean.
  • A' cur ri brobhsairean àidsear.
  • A' leigeil le cleachdadh a' cheamara airson x-ray.
  • A' sgrùdadh agus a' toirt a-steach clò-bhualaidhean. (correct)

Dè a th' ann an prìomh feart CamScanner?

  • Sgrìobhadh le làimh.
  • A' cruthachadh ciad-phàirtean mus tèid iad a-steach.
  • Sganadh agus clò-bhualadh. (correct)
  • A' toirt seachad stiùireadh mu dheidhinn togalachd.

Dè a nì CamScanner le ìomhaighean a th' air an sganadh?

  • Bidh iad a' freagair do dh'atharrachadh.
  • Bidh iad a' comharrachadh le dath. (correct)
  • Bidh iad a' cruthachadh aithisgean.
  • Bidh iad a' cur iad gu margaidhean.

Cò na daoine a tha nas dualtaiche a bhith a' cleachdadh CamScanner?

<p>Màthair-chreimneach a' fòcas air sgrìobhainnean. (B)</p> Signup and view all the answers

Càit a bheil CamScanner freagairtean air faighinn?

<p>Ann an stàitean margaidh shòisealta. (A)</p> Signup and view all the answers

Flashcards

CamScanner

Prògram a leigeas leat sgrìobhainnean a sganadh le camarathan fòn-làimhe agus tableaidean.

Ciamar a chleachdas tu CamScanner?

Tha an aplacaid seo a’ toirt cothrom dhut sgrìobhainnean a sganadh gu furasta, a thoirt a-mach gu cruth PDF, agus an roinneadh le daoine eile.

Cruthachaidhean CamScanner

Faodar dealbhan a thoirt a-mach agus an cruthachadh gu faidhlichean PDF, JPG, no PNG.

Feartan CamScanner

Leigidh CamScanner leat diofar sgrìobhainnean a chomharrachadh, a chur còmhla, agus an roinneadh le daoine eile.

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Cò às a tha CamScanner feumail?

Faodar an aplacaid seo a chleachdadh airson sgrìobhainnean a bhith a’ sganadh, a’ toirt a-mach, a’ deasachadh, agus an roinneadh.

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Study Notes

Electronics Sheet

  • Voltage: A potential difference, measured in volts.
  • Current: The flow of electrons through a conductor, measured in amperes.
  • Power: The amount of circuit energy, measured in watts.
  • Ground: A reference point with minimum voltage.
  • Ground floating: A circuit not connected to earth, often used with batteries.
  • Resistor color code: A way to show resistance values without equipment, using bands.
  • First band: Refers to the first two numbers, e.g., yellow (4) and purple (7).
  • Second band: Refers to the second number.
  • Third band: Refers to the multiplier, e.g., red (100).
  • Fourth band: Refers to the tolerance, e.g., gold (5%).
  • Resistor role: Opposes current flow in an electronic circuit.

Capacitor Basics

  • Capacitor: Device storing electrical charge.
  • Types: Electrolytic, non-electrolytic.
  • Symbol: Various shapes and markings.
  • Applications: Storing electrical charge, filtering/smoothing signals.

Resistor Values in Different Types (eg. Colour Code)

  • 4700Ω: The value (resistance) of the resistor.
  • 2.3kΩ: The value (resistance) of the resistor.
  • 3.6kΩ: The value (resistance) of the resistor.
  • 820Ω: The value (resistance) of the resistor.
  • 2400Ω: The value (resistance) of the resistor.
  • 470Ω: The value (resistance) of the resistor.

Resistor Color Code Examples (eg. Gold and Silver Colour Bands)

  • 470Ω 5% tolerance: The resistor's value and tolerance.
  • 4.7kΩ ±10%: The resistor's value and tolerance.
  • 3.6kΩ ±5%: The resistor's value and tolerance.
  • 820Ω ±10%: The resistor's value and tolerance.

Diode Applications

  • Reverse polarity protection: Protects circuits from reverse current.
  • Rectifier: Converts AC to DC.
  • Reverse bias diode (to prevent blowback): Acts as a current limiter.

Transistor Use Cases

  • As a switch: For turning circuits on and off.
  • As a current source: Limits current in a circuit.

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