Four capacitors and a battery are connected as shown. The potential drop across the 7 µF capacitor is 6 V. Then the :

Options

• Option A

  potential difference across the 3 µF capacitor is 10 V

• Option B

  charge on the 3 µF capacitor is 21 µC

• Option C

  e.m.f. of the battery is 30 V

• Option D

  potential difference across the 12 µF capacitor is 12 V.