Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 12

Find equivalent capacitance between A and B in the combination given below. Each capacitor is of 2 µF capacitance. - Physics

(i) Find equivalent capacitance between A and B in the combination given below. Each capacitor is of 2 µF capacitance.

(ii) If a dc source of 7 V is connected across AB, how much charge is drawn from the source and what is the energy stored in the network?

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Solution

(i)

`1/C_(eqv)=1/2+1/6+1/2=7/6`

`C_(eqv)=6/7 μF`

(ii) `Q=C_(eqv)V`

`Q=6/7×7`

`Q=6 " μC"`

`E=1/2CV^2`

`E=1/2×6/7×(49)`

`E=21 J`

Concept: Capacitors and Capacitance

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2016-2017 (March) Delhi Set 1

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Find equivalent capacitance between A and B in the combination given below. Each capacitor is of 2 µF capacitance. - Physics

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