The temperature of the filament of a burning bulb electric bulb is usu – McqOptions

MCQOPTIONS

1.	The temperature of the filament of a burning bulb electric bulb is usually?
A.	100℃ to 500℃
B.	1000℃ to 1500℃
C.	2000℃ to 2500℃
D.	3000℃ to 3500℃
Answer» E.

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