Question

Draw well labelled diagram of torch and explain

Answer 1

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torch bulb is made up of spherical glass which is attached to a metallic base. There is a filament inside the bulb. The filament is attached to two wires. One of the wires is attached to the metallic base of the bulb. Another wire is attached to the side of the metallic portion of the bulb. The side of the bulb is the negative pole, while the bottom is the positive pole.

Connecting the torch bulb to the cell: For this, you need to attach the wires to the two ends of the cell. The positive pole of the cell should be connected to the positive terminal of the bulb. Similarly, the negative pole of the cell should be connected to the negative terminal of the bulb.

Possible reasons for a torch bulb failing to glow:

Connections may be loose.

The bulb may be fused.

The cell’s energy may be sapped.

Answer 2

Explanation:

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