SSE JE Electrical Engineering 29 Oct 2020 Shift 2 Papers

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Question : 142 of 200

Marks: +1, -0

Which of the following statements is NOT true for discharge lamps with regard to metal filament lamps?

Time is needed to attain full brilliancy
Starting, being somewhat difficult, requires starters/transformers.
Operates at high power factor
High initial cost

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