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8.3.5power

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PT = P1 + P 2 + P3 . . .P
P= I2 R or P = V I
R1 = (10)2x 10 = 1000 W = 1 kW
R2 = (10)2x 20 = 2000 W = 2kW
Pt = PR1 + PR2 = 1000 + 2000 = 3000 W = 3kW
Rt = 10 + 20 = 30 Ω Pt = I2 Rt = (10) 2 x 30 = 3000 W
P t = Vt I = (100 + 200) x 10 = 3000W
Complete the Review Questions on page 70 of Electrical Trade Principles by Hampson & Hanssen.

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8.3.5power

  • 1. PT = P1 + P 2 + P3 . . .P
  • 2. P= I2 R or P = V I
  • 3. R1 = (10)2x 10 = 1000 W = 1 kW
  • 4. R2 = (10)2x 20 = 2000 W = 2kW
  • 5. Pt = PR1 + PR2 = 1000 + 2000 = 3000 W = 3kW
  • 6. Rt = 10 + 20 = 30 Ω Pt = I2 Rt = (10) 2 x 30 = 3000 W
  • 7. P t = Vt I = (100 + 200) x 10 = 3000W
  • 8. Complete the Review Questions on page 70 of Electrical Trade Principles by Hampson & Hanssen.