Question

The glowing of filament bulb is due to:

a) Physical effect of electric current

b) Chemical effect of electric current

c) Magnetic effect of electric current

d) Heating effect of electric current​

Answer 1

d) Heating effect of electric current

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Answer 2

Explanation:

The electric bulb has a filament called tungsten when electricity passes through this filament, it heats up and glows.

This heat is generated due to the passage of electric current, the drift of electrons due to the current and the resistance it has.

Hence, the heating effect of electric current is responsible for the glow of the bulb in an electric circuit.