Question

What happens if we rub wool with ebonite rod

Answer 1

When you rub fur with ebonite rod, the chemical bond is formed between some parts of the the two surface. ... Due to excess of electrons in rod, it becomes negatively charged while the fur with lost electrons, becomes deficient of electrons. Thus, fur becomes positively charged.


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Answer 2

When an ebonite rod is rubbed with wool, then the ebonite rod becomes negatively charged while the wool becomes positively charged. This is because the electrons in wool are less tightly bound than the electrons in ebonite rod. So, friction between the wool and the rod makes the rod to gain electrons from the wool. 

Thus, wool will lose electrons and become positively charged, while ebonite rod will gain electrons and become negatively charged. Because the charges developed on the two materials are unlike charges, therefore the fur and ebonite rod will attract each other.