Two condensers A and B are connected in series across a 100 V supply and it is found that the potential difference across A is 60 V. A condenser of 2 μF capacitance is now connected in parallel with A and potential difference across B rises to 90 V. Then the capacities of A and B are respectively
1
0.24 μF, 0.16 μF
2
0.16 μF, 0.24 μF
3
1.6 μF, 2.4 μF
4
2.4 μF, 1.6 μF