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Circuit Components

Circuit Components. Batteries, Resistors, Capacitors,. Circuit Parameters. Current Flow of electrons Voltage Potential which makes current flow in a conductor Resistance (Impedance) Property which impedes the flow of current. Circuit Parameters. Current Flow of electrons

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Circuit Components

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  1. Circuit Components Batteries, Resistors, Capacitors,

  2. Circuit Parameters • Current • Flow of electrons • Voltage • Potential which makes current flow in a conductor • Resistance (Impedance) • Property which impedes the flow of current

  3. Circuit Parameters • Current • Flow of electrons • Electron 1.6*10-19 coulombs • Units: Ampere • Ampere = 1 coulomb/second • 6.25 *1018 electrons/second • Symbols & abbreviations • Amps, I

  4. Circuit Parameters • Voltage • Electromotive Force (EMF) • Potential difference between two points • Units: Volts • Makes current flow through conductors • Symbols & abbreviations • V E

  5. Circuit Parameters • Resistance • Property which impedes the flow of current • Units: Ohms • Ohm = 1 Volt / 1 Ampere • Symbol: Ω

  6. Circuit Parameters Resistors 12V 6Ω Printed Circuit Sized Resistors Circuit with Battery and Resistor Ohm’s Law: I = V/R

  7. Resistors Two digits plus multiplier AB*10C Yellow – Violet – Red 47*102 4700 Ω Brown – Black – Orange 10*103 10,000 Ω

  8. Resistors Tolerance Gold +/-5% Silver +/-10% None +/-20%

  9. Resistors Available in +/-10% Range of values is from 0.10 Ω To 22.0 x106 Ω Available in +/-5%

  10. Circuit Parameters Capacitors C= Charge/Voltage = Q/V Units: Farad Smooths changes in voltage

  11. Circuit Parameters Typical Resistor-Capacitor Circuit

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