Four capacitors are connected as shown in the equivalent capacitance between the points P and Q is [MP PET 1983; MP PMT 1992; UPSEAT 1999]

• A.                    \[4\mu F\]
• B.                    \[\frac{1}{4}\mu F\]
• C.                    \[\frac{3}{4}\mu F\]
• D.                    \[\frac{4}{3}\mu F\]