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Types of Complex Circuits

2. Types of Complex Circuits. 4. 5. 6. 7. 8. 14. 17. Resistors in Series Advantages. Resistors in Series Disadvantages. Electrical components connected in Series: Fuses and Circuit Breakers. Fuses and Circuit Breakers. 24. 26. Batteries connected in Series. 27. 28. 33. 36.

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Types of Complex Circuits

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  1. 2

  2. Types of Complex Circuits

  3. 4

  4. 5

  5. 6

  6. 7

  7. 8

  8. 14

  9. 17

  10. Resistors in SeriesAdvantages

  11. Resistors in SeriesDisadvantages

  12. Electrical components connected in Series: Fuses and Circuit Breakers

  13. Fuses and Circuit Breakers

  14. 24

  15. 26 Batteries connected in Series

  16. 27

  17. 28

  18. 33

  19. 36 Parallel Equivalent Circuit I I1 I2 I3 I Rt R1 R2 R3 V V I In a purely parallel circuit, the sum of the currents in each branch is equal to the total current ‘I’ . Also:the voltages across each component that share the same end points are equal.

  20. I I1 I2 I3 R1 R2 R3 V I Ieq = I1 + I2 + I3. Veq = V1= V2 = V3 1 = 1 + 1 + 1 Req R1 R2 R3 I V Rt

  21. 40

  22. 41

  23. 43

  24. 44

  25. 45

  26. 47

  27. A simple circuit is composed of a 12V power supply and a 6Ω Resistor. Determine the current intensity of the circuit. Determine the current intensity of the circuit if a second resistor, 4Ω, is connected in series with the first resistor. Determine the current intensity of the circuit if the second resistor, 4Ω, is now connected parallel to the first resistor. Which of the two complex connection leads to a greater change in current.

  28. 50 Is it possible to construct a complex circuit with an equivalent resistance of 7Ω by using four resistors each have a resistance of 10Ω , 5Ω, 8Ω and 14Ω? Explain your answer.

  29. Now consider that you have 4 cells, each of 1.5 volts What happens to the Voltage & Current if they are connected in Series?

  30. I I 1.5v 1.5v 6 v 1.5v 1.5v The Voltage is greater = the sum of each cell, But the Current is the same.

  31. What happens to the Voltage & Current if they are connected in Parallel?

  32. 1.5v 300 mAh 1.5v 1200 mAh The Voltage is the same as each cell, But the Current is greater = the sum of each cell.

  33. So in Series, the Voltage is Greater and the Current is the Same But in Parallel the Voltage is the Same and the Current is Greater.

  34. 51

  35. 54

  36. 55

  37. Power and Energy • Energy • Is the ability to do workor • The total of the power used in a given time • E = P x t • Energy can be measured in many different units but Joule is the SI unit. The following units are important for this module: Joule, calorie, Calorie and kiloWatt-hour.

  38. Power Power, measured in watt, is the Energy or work accomplished in a second. P = E/t. Electrical power is the product of Voltage and Current. (P =IV). Electronic appliances deliver the power supplied (P supplied = P delivered)

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