Electrician Red Seal · Question
A fully resistive heating element operating at 240 Vac draws 10 A. What is its power factor?
For a purely resistive load, the current and voltage are in phase, meaning there is no reactive power component. Therefore, the power factor is exactly 1.0.
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Question: A fully resistive heating element operating at 240 Vac draws 10 A. What is its power factor?
Answer options:
- 0.5
- 0.707
- 0.866 ✅ 1.0
Correct answer: 1.0
Explanation: For a purely resistive load, the current and voltage are in phase, meaning there is no reactive power component. Therefore, the power factor is exactly 1.0.
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- A residential garage is to be wired with a 15 A, 120 V duplex receptacle. According to the Canadian Electrical
- During a renovation of a commercial kitchen, an electrician needs to replace an old single-phase, 240 V, 5 kW
- A commercial kitchen is being renovated, and several new 4 kW, 208 V, single-phase electric ovens are being in
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