Physics · Electrostatics
Two capacitors A and B are connected in series across a 200 V DC supply. The potential difference across A is 60 V. This potential difference increases to 80 V when a 3 μF capacitor is connected in parallel with B. Calculate the capacitance of B.
- 12.7 μF
- 25.4 μF✓
- 33.5 μF
- 47.8 μF
Correct answer
5.4 μF
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