In the fig above, M and N are insulated metal spheres in contact. A negatively charged ebonite rod P is I brought near M. When M and N are Separated and the rod is taken away, which of the following statements is correct
A.
both M and N have acquired negative charges
B.
both M and N have acquired positive charges
C.
M has acquired negative charge and N positive charge
D.
N has acquired negative charge and M positive charge
