Several `10 pF` capacitors are given, each capable of withstanding `100 V`. How would you construct :
(a) a unit possessing a capacitance of `2 pF` and capable of withstanding `500 V`?
(b) a unit possessing a capacitance of `20 pF` and capable of withstanding `300 V`?

If you have several 2.0 muF capacitrors, each capable of withstanding 200 V without breakdown, how would you assemble a combination that has an equivalent capacitance of a. 0.4muF b. 1.2 muF each with standing 1000V ?

Three capacitors each of capacitane 9 pF are connected in series. (a) What is the total capacitance of the combination ? (b) What is the potential difference across each capacitor if the combination is connected to a 120V supply.

A network of four 10 muF capacitors is connected to a 500V supply as shown in Fig. Determine the (a) equivalent capacitance of the network and (b) charge on each capacitor.

In the arrangement of the capacitor shown in the figure, each C_(1) capacitor has capacitance of 3mu F and each C_(2) capacitor has capacitance of 2mu F then, (ii) If V_(ab)=900V , the charge on each capacitor nearest to the points 'a' and 'b' is :

Two capacitors of capacitance 20.0 pF and 50.0 pF are connected is series with a battery of 20 V. Find the energy supplied by the battery.

An isolated sphere has a capacitance of 50 pF. (a) Calculate its radius. (b) how much charge should be placed on it to raise its potential ot 10^4 V ?

A network of four each of 12 mu F capacitance is connected to a 500 V apply as shown in Fig. (a) Equivalent capacitance of the network. (b) Charge on each capacitor.

The dielectric to be used in a parallel-plate capacitor has a dielectric constant of 3.60 and a dielectric strength of 1.60 xx 10^7 V//m . The capacitor is to have a capacitance of 1.25 xx10^-9F and must be able to withstand a maximum potential difference of 5500 V . What is the minimum area the plates of the capacitor may have?