If the charge on a body is q1 and it is used to charge another body by induction, and the charge on the second body is found to be q2 after charging, then what can be said about the charges on the two bodies?
1) The charge on the second body is positive
2) The charge on the second body is negative
3) The charge on the second body is zero
4) The charge on the second body is equal to the charge on the first body
