10 identical capacitors are connected as shown. The capacitance of each capacitor is 30 micro farad. Find the equivalent capacitance between A and B in micro farad.

Three identical 10 $\mu F$ capacitors and a capacitor of capacitance C are connected as shown in the figure. Find the capacitance C if the equivalent capacitance between X and Y is $20\mu F$.

Figure shows a network of capacitors where the numbers indicates capacitances in micro Farad. The value of capacitance C if the equivalent capacitance between point A and B is to $1\mu F$ is :

An infinite number of identical capacitors each of capacitance $1mF$ are connected as shown in the figure. Then the equivalent capacitance between $A$ and $B$ is.
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An infinite number of identical capacitors each of capacitance 1 mF are connected as shown in the figure. Then the equivalent capacitance between A and B is. .

Can we have a capacitor of one farad capacitance?

What will be the radius of a spherical capacitor of capacitance 1 farad?

Six identical capacitors each of capacitance $2\mu F$ are connected as shown below. The equivalent capacitance between the points A and B is

Capacitors of 4, 5 and 6 micro farad capacitance are connected (a) in series, (b) in parallel. Compare the equivalent capacitances in both the cases.