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

Answer:

Ans. 1) If a bulb is fused, it does not glows because the filament inside it breaks and stops the current flowing through it.

Ans. 2) Rubber plastics and gramics can protect us from dangers of electricity because they are a good insulators of electricity and doesn't allows electricity to paśs through them.

Ans. 3) A person can get a fatal electric shock on touching a uncovered electric wire because it has electricity of 200v to 250v flowing through it, that is enough for the fatal of a person.

Answer 2

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.