In the given network capacitance, C1 = 10 μF, C2 = 5 μF and C3 = 4 μF. What is the resultant capacitance between A and B
1. 2.2 μF
2. 3.2 μF
3. 1.2 μF
4. 4.7 μF
The equivalent capacitance between \(A\) and \(B\) is:
1. | \(2~\mu\text{F}\) | 2. | \(3~\mu\text{F}\) |
3. | \(5~\mu\text{F}\) | 4. | \(0.5~\mu\text{F}\) |
In the circuit shown in figure, each capacitor has a capacity of 3 μF. The equivalent capacity between A and B is
1.
2. 3 μF
3. 6 μF
4. 5 μF
In the figure, three capacitors each of capacitance 6 pF are connected in series. The total capacitance of the combination will be
1. 9 × 10–12 F
2. 6 × 10–12 F
3. 3 × 10–12 F
4. 2 × 10–12 F
Equivalent capacitance between A and B is
1. 8 μF
2. 6 μF
3. 26 μF
4. 10/3 μF
In the figure a capacitor is filled with dielectrics. The resultant capacitance is
1.
2.
3.
4. None of these
Three capacitors of capacitance 3 μF, 10 μF and 15 μF are connected in series to a voltage source of 100V. The charge on 15 μF is
1. 50 μC
2. 100 μC
3. 200 μC
4.) 280 μC
Two capacitors \(C_1 = 2~\mu\text{F}\) and \(C_2 = 6~\mu \text{F}\) in series, are connected in parallel to a third capacitor \(C_3= 4~\mu\text{F}\). This arrangement is then connected to a battery of \(\text{emf}= 2~\text{V}\), as shown in the figure. How much energy is lost by the battery in charging the capacitors?
1. \(22\times 10^{-6}~\text{J}\)
2. \(11\times 10^{-6}~\text{J}\)
3. \(\frac{32}{3}\times 10^{-6}~\text{J}\)
4. \(\frac{16}{3}\times 10^{-6}~\text{J}\)
A parallel plate capacitor has capacitance \(C\). If it is equally filled with parallel layers of materials of dielectric constants \(K_1\) and \(K_2\), its capacity becomes \(C_1\). The ratio of \(C_1\) to \(C\) is:
1. | \(K_1 + K_2\) | 2. | \(\frac{K_{1} K_{2}}{K_{1}-K_{2}}\) |
3. | \(\frac{K_{1}+K_{2}}{K_{1} K_{2}}\) | 4. | \(\frac{2 K_{1} K_{2}}{K_{1}+K_{2}}\) |
The equivalent capacitance in the circuit between A and B will be
1. 1 μF
2. 2 μF
3. 3 μF
4.