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Tapasranjan Das Grade: 12
        if we connect three capacitor in series, the equivalent capacitance is smaller than the smallest,why??..i want a physical explanation
7 years ago

Answers : (1)

Badiuddin askIITians.ismu Expert
147 Points
										

Dear Tapasranjan


Capacitance if ration of charge given  to   potential applied across them.


when you take onle one capaciter ( lowest capacitance)  and applied a potential(V) across them then  suppose it get a charge of q


so capacitance will be C = q/v


 


but if you now connect the same battery in a circuit of three capicatance in series.  then it will give the same charge to the circuit . since capictor are in series so they will get equal charge q .  but now in this case potential is distributed across the capictors and every capacitor have a potential difference less than  V


 so eqivalent capacitance  C' = q/V'


since V'< v so C' > C


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Badiuddin

7 years ago
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