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

Answer:

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

Answer:

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

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

Answer:

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

Answer 2

Give reasons for the follow statements.

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

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Because if it is fused circuit opens and current doesn't flow through it.

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

$\huge\boxed{\fcolorbox{red}{pink}{Answer}}$

Because Rubber, Plastic insulate current.

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

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Because current flows through his body and damages his nerve system if it is low frequency current or if it current is high frequency current it burns his skin.