Calculations in electronics

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Quick review of Series and parallel circuit behavior and intriduction of electronic measurements symbols and their units of measure.

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Calculations in electronics

  1. 1. Calculations inElectronicsdon’t wait! calculate!
  2. 2. Series Circuitsdescribe how it acts
  3. 3. Parallel Circuitsdescribe how it acts
  4. 4. Series Parallel
  5. 5. Don’t Forget the Units!!!Term Description Unit SymbolVoltage (V or Electromotive Force Volts VE)Current (I) Rate of Electron Flow Amps AResistance (R) Opposition to electron flow Ohms ΩPower (P) Rate of doing electrical work Watts WCharge (Q) Quantity of accumulated Coulombs C electrons
  6. 6. Ohm’s Law
  7. 7. Watt’s Law
  8. 8. Series vs. Parallel Behavior Series Parallel V1+V2+V3…= VT = in parallel it stays the sameIn series it stays the same IT =I1+I2+I3… R1+R2+R3…= RT =1/(1/R1 + 1/R2 + 1/R3 …) P1+P2+P3…= PT =P1+P2+P3…
  9. 9. VIRP Chart V I R P 1 2 3 T
  10. 10. Make a VIRP Chart andsolve for unknown values V I R P 1 1.27 2.7mA 470Ω 3.4mW 2 5.94 2.7mA 2.2kΩ 16mW 3 2.7 2.7mA 1kΩ 7.3mW T 10V 2.7mA 3760Ω 27mW
  11. 11. Make a VIRP Chart andsolve for unknown values V I R P 1 10V 21.3mA 470Ω 213mW 2 10V 4.55mA 2.2kΩ 45.5mW 3 10V 10mA 1kΩ 100mW T 10V 35.8mA 279Ω 358mW

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