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Question

When two condensers of capacitance 1μF and 2μF are connected is series then the effective capacitance will be :
  1. 23μF
  2. 3μF
  3. 32μF
  4. 4μF

A
23μF
B
32μF
C
3μF
D
4μF
Solution
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When two condenser are in series , the equivalent capacitance Ceq=C1C2C1+C2=1×21+2=23μF

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