6) Find the total effective capacitance of three condensers 5 micro F, 7 micro F and 12 micro F connected in parallel.

7) A capacitor of capacitance 50 micro farads is charged to a potential difference of 200 volts. Find out energy stored in the condenser.

8) Given two identical mica capacitors of 0.1 micro F each. One of these is charged to a potential difference of 125 volts and disconnected from the charging circuit. The charged capacitor is then connected in parallel with the uncharged capacitor. What volt

9) A capacitor of 2 micro farads is charged to a potential difference of 150 volts and is connected in parallel with an uncharged capacitor of 4 micro farads. What is the voltage existing on the combination ?

10) By increasing the charge Q of a capacitor :