Question

Heating of glass surface of a bulb due to current in filament is a convection process or not

Answer 1

Answer:

Heat transfer of glass bulb from filament is through radiation.

Heat transfer of glass bulb from filament is through radiation. A medium is required for convection process.

Heat transfer of glass bulb from filament is through radiation. A medium is required for convection process.As a bulb is almost evacuated, heat from the filament is transmitted through radiation.

Explanation:

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Answer 2

here's the answer

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