Physics · Electrical Engineering
A single-phase load consists of a 10 kW resistive heater and a motor operating at 85% efficiency, drawing 12 kVA at a power factor of 0.75 lagging. The supply voltage is 240 V. What is the total power factor of the combined load?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.925 lagging✓
- 20.86 lagging
- 30.81 lagging
- 40.77 lagging
Correct answer
0.925 lagging
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