JAMB Physics 1991 Question 39

Question 39

Capacitors

The net capacitance in the circuit shown above is

Diagram for this question
  1. A.8.0 μF
  2. B.6.0 μF
  3. C.4.0 μF
  4. D.2.0 μF
Show the answer and explanation

Answer: D (2.0 μF)

Explanation

The two 2 μF in parallel make 4 μF; in series with 4 μF: C = (4 × 4)/(4 + 4) = 2 μF.