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Posted By: SHOY VARGHESE       Member Level: Bronze       Posted Date: 01 May 2007       Category: General Knowledge

A fluorescent tube is preferred to an electric bulb because



Select Answer:

it has larger light emitting surface
voltage fluctuations do not affect it
in a tube electrical energy is almost fully converted into light energy
its light is not harmful to the eyes




      
Your Test Score: 0 / 0



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