Question

A network of four capacitors of capacity equal to c1=c c2=2c

Answer 1

if connected in series net capacitance will be equal to

1/C = 1/c1 +1/c2 + 1/c3

where c1 c2 c3 are capacitors of different capacitance

and

if connected in parallel

C =c1 + c2 + c3