Filament lamps operate normally at a power factor of
A)0.5 lagging
B)0.8 lagging
C)unity
D)0.8 leading

Name: Filament lamps operate normally at a power factor of A)0.5 lagging B)0.8 lagging C)unity D)0.8 leading
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Filament lamps are purely resistive loads, meaning they do not have any inductive or capacitive components that would cause a phase shift between voltage and current. Therefore, their power factor is unity (1), indicating that all the power is being used effectively.

Filament Lamps Operate Normally at a Power Factor of