what is a symbol of an electric bulb..? ?????? ?? ?? ????????? ::-- ???????????_35

what is a symbol of an electric bulb..? ?????? ?? ?? ????????? ::-- ??

1.	what is a symbol of an electric bulb..? ?????? ?? ?? ????????? ::-- ???????????_35
Answer» The symbol of electric bulb consists of a circle having a semi-circle inside it. The semi-circle represents the filament of the bulb.... hope it would be helpful✌?