Question

An uncharged conductor a is brought close to another positive charged conductor b, then the charge on b

Answer 1

Answer: positive

Explanation:the uncharged body will attract the charge of charged body

Answer 2

The charge on b will remain the same as it was before because we are not allowing any physical contact for the charges to flow from b.

Though some charges will be induced on a but the net charge will still remain zero

Hope this helps.