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CBSE X Science

Why are electric bulbs filled with chemically inactive nitrogen and argon.? 

Asked by pdcavita 26th November 2017 9:42 PM
Answered by Expert

CBSE VII Science Electric Current and its Effects

cfls are prefered to electric bulbs. why?

Asked by arajeevshashank 1st February 2018 10:24 AM
Answered by Expert

CBSE X Physics Electricity

copper wire cannot be used as a filament in an electric  bulb.

Asked by arajeevshashank 1st February 2018 10:38 AM
Answered by Expert

ICSE X Physics

Explain briefly why the filament of an electric bulb is coiled.

Asked by bdroy_2014 1st February 2018 7:40 PM
Answered by Expert