4) A capacitor of 60 micro farads capacity is connected across the supply voltage of 500 volts. Calculate the charge of the capacitor.

5) Three capacitors 3 micro F, 4 micro F and 6 micro F are connected in series. Calculate the total capacitance

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