Question

Explain why Repulsion is the surer test for Electrification than attraction....????

Answer 1

because of a positively charge body can attract another positively charge body or neutral charge body but
if positively charge body brought near another positively charge body it repulse, hence repulsion is surer test for electrification than attraction.

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.