Question

Prove by experiment that repulsion is the surest test of electrification.​

Answer 1

Answer:

Repulsion is the sure test of electrification.

Note: If two bodies are electrified (i.e., charged they can either attract or repel). If they are:

(a) attracted: this is not only possible by electrification but can also be due to the attraction of an uncharged body with charged body.

(b) repulsion: repulsion is possible only when both objects are charged oppositely.

Answer 2

Answer:

Attraction may occur between two oppositely charged bodies or a charged body and an uncharged one. That is why in attraction, one is not sure if both bodies are charged, However in repulsion, there are two bodies that have the same charge. That is why repulsion is the sure test of electrification.

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