List of top Physics Questions on Combination of capacitors

A network of four capacitors of capacities equal to $C_{1}=C, C_{2}=2 C, C_{3}=3 C$ and $C_{4}=4 C$ are connected to a battery as shown in the figure.

The ratio of the charges on $C_{2}$ and $C_{4}$ is

If the equivalent capacitance between A and B is $ \text{1}\text{F,} $ then the value of C will be

The given four terminal network is part of a larger circuit. The points $A, B, C$ are at the same potential. The potential difference between any one of $A, B $ or $C$ and $D$ is $40\, V$. The potential difference between $A$ and $O$ is

The equation to two circles which touch the Y-axis at $(0, 3)$ and make an intercept of $8$ units on X-axis are

Two parallel plates have equal and opposite charge. When the space between them is evacuated, the electric field between the plates is $ 2 \times 10^5 \, Vm^{ - 1}$. When the space is filled with dielectric thel electric field becomes $1 \times 10^5 Vm^{ -1}$ . The dielectric constant of dielectric material is

Three capacitors each of capacity $4\, \mu F$ are to be connected in such a way that the effective capacitance is $ 6 \,\mu F$ This can be done by

Find equivalent capacitance between $A$ and $B$

The series combination of two capacitors shown in figure is connected across 1000V. The magnitude of the charges on the capacitors will be

A network of four capacitors of capacity equal to $C_{1}=C, C_{2}=2 C, C_{3}=3 C$ and $C_{4}=4 C$ are connected to a battery as shown in the figure. The ratio of the charges on $C_{2}$ and $C_{4}$ is.:

$27$ small drops each having charge $q$ and radius $r$ coalesce to from big drop. How many times charge and capacitance will become?

Effective capacitance between A and B in the figure shown is (all capacitances are in $\mu\, F$ )

Two capacitors of capacitance $3\,\mu F$ and $6\,\mu F$ are charged to a potential of $12\, V\, each$. They are now connected to each other, with the positive plate of each joined to the negative plate of the other. The potential difference across each will be

Four capacitors each of capacitance C are in parallel combination. The equivalent capacitance is:

Two parallel conducting plates of area $A = 2 .5 \,m^{2}$ each are placed $6\, mm$ apart and are both earthed. A third plate, identical with the first two, is placed at a distance of $2\, mm$ from one of the earthed plates and is given a charge of $1\, C$. The potential of the central plate is

Two identical capacitors are joined in parallel, charged to a potential $V$ , separated and then connected in series, the positive plate of one is connected to the negative of the other. Which of the following is true?

Three capacitors of capacitances $3\,\mu F$,$9\,\mu F$ and $18\,\mu F$ are connected once in series and another time in parallels. The ratio of equivalent capacitances in the two cases $(C_s/C_p)$ will be

The capacitors of capacitance $4\,\mu F$ and $6\,\mu F$ are connected in series. A potential difference of $500\, volt$ is applied to the outer plates of capacitor system. Then the charge on each capacitor is equal to