Combination of Capacitors

IMPORTANT

Combination of Capacitors: Overview

This Topic covers sub-topics such as Combination of Capacitors, Series Combination of Capacitors, Parallel Combination of Capacitors and, Distribution of Potential Difference among Capacitors in Series

Important Questions on Combination of Capacitors

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IMPORTANT

The equivalent capacitance between the points x and y in the circuit shown isQuestion Image

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Determine the equivalent capacitance of the combination shown In the following figure:

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The resultant capacitance between points A and B in the given circuit is

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In the following circuit, C1=12 μF, C2=C3=4 μF and C4=C5=2 μF. The charge stored in C3 is _____.

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EASY
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Find the charge on capacitor C3?

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Given that C1=C2=C and C3=C4=3C

 

HARD
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Find the equivalent capacitance between points A and B for the network shown in figure

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EASY
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For the network shown in figure, calculate equivalent capacitance between points A and B

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HARD
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The equivalent capacitance of four identical capacitors, as shown in the figure is 15 μF. The value of each capacitor is

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EASY
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Calculate the equivalent capacitance between points A and B in the combination shown.

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Three capacitors of capacitance C(μF) are connected in parallel to which a capacitor of capacitance C is connected in series. The effective capacitance is 3.75 μF, then the capacity of each capacitor is

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Three capacitors 2 μF, 3 μF and 6 μF are joined with each other. What is the minimum effective capacitance (in μF)?

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Four plates of equal area A are separated by equal distance d and are arranged as shown in the figure. The equivalent capacity is:
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Three capacitors each of 4 μF are to be connected in such a way that the effective capacitance is 6 μF . This can be done by connecting them:

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A circuit has a section AB, shown in the figure. The emf of the source is equal to 10 V and the capacitors capacitance are equal to C1=1.0 μF and C2=2.0 μF. If the potential difference between points A and B, ϕA-ϕB=5.0 V, then the voltages V1 and V2 across each capacitors, C1 and C2, respectively, are

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EASY
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A network of four 20 μF capacitors is connected to a 600 V supply as shown in the figure.
Then, the equivalent capacitance of the network is 26.67 μF.
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EASY
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A parallel-plate capacitor consists of two identical metal plates. Two dielectric slabs having dielectric constants K1 and K2 are introduced in the space between two plates as shown below. Show that capacity of capacitor in the arrangement is given by C=ε0K1+K2A2d

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MEDIUM
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A network of four capacitors 5 μF each are connected to a 240 V supply. Determine the charge on each capacitor.

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MEDIUM
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Derive an expression for effective capacitance of three capacitors connected in parallel.

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What is the equivalent capacitance of two 2 μF capacitors connected in series.

MEDIUM
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How will you obtain a capacitance of higher value if you have been provided with capacitors of relatively low capacitance?