Question

what causes a torch bulb to grow​

Answer 1

Answer:

The Correct Answer is mentioned below

Explanation:

When the torch bulb's metal tip and metal casing are wired to a cell, it lights up. When energy or electric current from the cell flows through the filament of the bulb, it overheats. The filament becomes white hot and begins to emit light.

Answer 2

Answer:

The cell passes an electric current through the torch bulb which heats up its filament and makes the bulb glow

Explanation:

The torch bulb lights up when its metal tip and metal case are connected to a cell through wires. When electricity or electric current from the cell passes through the filament of the bulb, the filament gets heated too much. The filament becomes white hot and starts giving light.

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