3) A capacitor that stores a charge of 0.5 coulomb at 10 volts has a capacitance of _____ farads.

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.