4. A two-element series circuit with R = 5.0 ohms and X₁ = 15.0 ohms, has an effective voltage 31.6V across the resistance. Find the complex power and the power factor.

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4. A two-element series circuit with R = 5.0 ohms and X₁ = 15.0 ohms, has an effective
voltage 31.6V across the resistance. Find the complex power and the power factor.
5. Determine the circuit impedance which has a complex power S = 5031 /-26.57⁰ VA for an
applied phasor voltage 212.1 /0⁰ V.
6. Determine the impedance corresponding to apparent power 3500 VA, power factor 0.76
lagging, and effective current 18.0 A.
8. A two-branch parallel circuit has branch impedances Z₁ = 2.0-j5.0 ohms and Z₂ = 1.0 +
j1.0 ohms. Obtain the complete power triangle for the circuit if the 2.00hm resistor
consumes 20W. P, Q, p.f.
Transcribed Image Text:4. A two-element series circuit with R = 5.0 ohms and X₁ = 15.0 ohms, has an effective voltage 31.6V across the resistance. Find the complex power and the power factor. 5. Determine the circuit impedance which has a complex power S = 5031 /-26.57⁰ VA for an applied phasor voltage 212.1 /0⁰ V. 6. Determine the impedance corresponding to apparent power 3500 VA, power factor 0.76 lagging, and effective current 18.0 A. 8. A two-branch parallel circuit has branch impedances Z₁ = 2.0-j5.0 ohms and Z₂ = 1.0 + j1.0 ohms. Obtain the complete power triangle for the circuit if the 2.00hm resistor consumes 20W. P, Q, p.f.
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