Mathematics · AC Circuits
A single-phase AC source supplies a combined load consisting of a 5 kW resistive heater and a motor drawing 5 kW at a power factor of 0.85 lagging. What is the overall power factor of the system?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.77 lag
- 20.81 lag
- 30.86 lag
- 40.925 lag✓
Correct answer
0.925 lag
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