so luminous flux emitted by the bulb phi = 4 (pi) I2
put the values , it comes out to be 383.8 lumen
power = V x I
= 110 x 0.85watt
= 93.5 watts
efficiency = 393.8 / 93.5
= 4.2 lumen / watt (approx)
hope this is right :)
I always like to walk in rain as no one can see me crying there :(
frnds are like diamonds , if u hit them , they don't break but they slip frm ur hands
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Moderation Team
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