Question

Please tell me fast it's urgent now ​

Answer 1

Answer:

Rubber does not conduct electricity. Hence , it is safe for the electrician from a shock.

This is because light travels faster than sound.

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Answer 2

Answer:

1) rubber is a non conductor of electricity. So they wear gloves to prevent themselves from fatal shock

2) speed of light is more as compared to the speed of sound in a given medium. Therefore we see lightening first.

3) Work is said to be done when the force applied on the body makes the body move. Since the wall doesn't move, no work is said to be done.

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