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#1 2016-07-03 06:07:37

Muhammad
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بِسمِ اللَّهِ الرَّحمٰنِ الرَّحيمِ
From: Sahiwal Division
Registered: 2012-03-22
Posts: 22,197
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Which has more luminous efficiency?

Engineering Quizzes Engineering Entrance

Question:
Which has more luminous efficiency?

Option A):
a 40 W bulb
Option B):
a 40 W tube light
Option C):
Both of same
Option D):
Cannot say

Correct Answer is Option B):
a 40 W tube light


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2016-07-03 06:07:37

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Re: Which has more luminous efficiency?



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