Question

Give reasons for the follow statements. 1) If a bulb is fused, it does not glow. 2) Rubber plastics and gramics can protect us from the dangers of electricity. 3) A person can get a fatal electric shock on touching an uncouered electric wire.

Answer 1

Question 1= If a bulb is fused, it does not glow.

Answer 1:

If a bulb does not glow even when a cell is connected and the circuit is complete, then it means the filament is broken and the bulb is fused.

Question 2: Rubber plastics and gramics can protect us from the dangers of electricity.

Answer 2:

Rubber, Plastics and gramics can protect us from the dangers of electricity as they are insulator.

Question 3: A person can get a fatal electric shock on touching an uncouered electric wire.

Answer 3:

A person can get fatal electric shock on touching an unconvered electric wireas wire is good conducter of electricity.

Answer 2

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⇒One reason for a bulb to fuse is a break in its filament.

⇒because they are insulator that do not conducts electricity that's why they protect us from electricity.

⇒The human body is a good conductor of electricity. If you touch an uncovered electric wire, the electricity will flow through your body causing electrical shock.

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