A 1 pF capacitor is connected in parallel with a 2 pF capacitor, the parallel combination then being connected in series with a 3 pF capacitor. The resulting equivalent capacitance is
A)
1.5 pF.
B)
6 pF.
C)
3 pF.
D)
4.5 pF.
E)
5 pF.
A
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