Question

what are the characteristics required for materials chosen to make incandescent lamp​

Answer 1

Explanation:

The material, which can be used for the filaments of incandescent lamps, must possess the properties of high melting point, low vapour pressure, high resistivity, low temperature coefficient, ductility and sufficient mechanical strength to withstand vibrations during use.

Answer 2

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$\bigstar$ what are the characteristics required for materials chosen to make incandescent lamp?

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The material, which can be used for the filaments of incandescent lamps, must possess the properties of high melting point, low vapour pressure, high resistivity, low temperature coefficient, ductility and sufficient mechanical strength to withstand vibrations during use.