Which Power factor is taken for operation of Filament lamps? Warning: Trying to access array offset on false in /home3/indiakep/public_html/wp-content/plugins/dw-question-answer/inc/Template.php on line 8 All Questions › Category: Others › Which Power factor is taken for operation of Filament lamps? 0 Vote Up Vote Down Rajasri Mundrathi Staff asked 4 years ago Options: a) Unityb) 0.5 Laggingc) 0.8 Laggingd) 0.85 Leading 1 Answers 0 Vote Up Vote Down Rajasri Mundrathi Staff answered 4 years ago The correct answer is Unity