Question

An electric current can produce a magnetic effect, a heating effect and a chemical effect. Which of these effects is used in a filament light bulb?

Answer 1

 Heating effect is used in a filament light bulb.The electric current passes through the filament present in the bulb.
Thus , the filament gets heated and produces light.
∴Heating effect is used in filament light bulb.

Please mark brainliest ...

Answer 2

It's heating effect of electric current as lighting of bulb produces heat.The electric current pases through the filament of bulb and must attain as much heat so that it's get hot and can emit light.Gases like argon are in the bulbs so that to make the filament life long.

Brainliest pls.