Series and Parallel Circuits

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Series and Parallel Circuits
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Previous Lecture Topics

• Ohms law
• How voltage, current and resistance relate
• An analogue for Ohms law
• Power in electric circuits
• Ohms law for calculating power

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Lecture Main Topics

• Series and Parallel Circuits
• You can find the material in
• Lessons in electric circuits , Vol. I, DC
• Tony R. Kuphaldt, pp. 111-136, 2008

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Series Circuits
Rt R1 R2 R3 Rn Et E1 E2 E3
EnIt I1I2 I3 In
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Parallel circuits
1/Rt 1/R1 1/R2 1/R3 1/Rn Gt G1
G2 G3 GnEt E1 E2 E3 EnIt
I1 I2 I3 In
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Series parallel circuits
Rt R1 R2//R3Et E1 E2It I1 I2 I3
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Power calculations
Pt P1 P2 P3 Pn
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Component failure analysis
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Internal Resistance
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Summary

• Series Circuits
• Parallel Circuits
• Series / Parallel Circuits
• Current, Volt, Resistance and Power in electrical
  Circuits
• Fault detection