Question:
The effective capacitance between the points $A$ and $B$ in the circuit shown in $(\mu F)$ is (capacitance of each capacitor is$(\mu F)$
The effective capacitance between the points $A$ and $B$ in the circuit shown in $(\mu F)$ is (capacitance of each capacitor is$(\mu F)$
Updated On: May 30, 2022
- 2
- 4
- 3
- 0.4
Show Solution
Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Capacitance of 2 capacitors in parallel = 1 + 1 = 2$\mu$F
Capacitance of 1 $\mu$F, 2$\mu$F and 1 $\mu$F in series is given by, $\frac{1}{C} = \frac{1}{1} + \frac{1}{2} + \frac{1}{1} = \frac{2 + 1 + 2}{2} = \frac{5}{2}$
$i.e.$ C = $\frac{2}{5} = 0.4 \, \mu \, F$
Capacitance of 1 $\mu$F, 2$\mu$F and 1 $\mu$F in series is given by, $\frac{1}{C} = \frac{1}{1} + \frac{1}{2} + \frac{1}{1} = \frac{2 + 1 + 2}{2} = \frac{5}{2}$
$i.e.$ C = $\frac{2}{5} = 0.4 \, \mu \, F$
Was this answer helpful?
0
0
Top KCET Physics Questions
- The range of electrical conductivity \( \sigma \) and resistivity \( \rho \) for metals, among the following, is:
- KCET - 2025
- Physics
- Semiconductor electronics: materials, devices and simple circuits
- At 27°C temperature, the mean kinetic energy of the atoms of an ideal gas is \( E_1 \). If the temperature is increased to 327°C, then the mean kinetic energy of the atoms will be
- KCET - 2025
- Physics
- simple harmonic motion
- Two similar galvanometers are converted into an ammeter and a millammeter. The shunt resistance of ammeter as compared to the shunt resistance of millammeter will be
- KCET - 2025
- Physics
- Electrical Instruments
Charges are uniformly spread on the surface of a conducting sphere. The electric field from the center of the sphere in a point outside the sphere varies with distance \( r \) from the center as
- KCET - 2025
- Physics
- Electric Dipole
Match the following types of nuclei with examples shown:
- KCET - 2025
- Physics
- Nuclear physics
View More Questions
Top KCET Capacitors and Capacitance Questions
- A parallel plate capacitor of capacitance C1 with a dielectric slab in between its plates is connected to a battery. It has a potential difference V1 across its plates. When the dielectric slab is removed, keeping the capacitor connected to the battery, the new capacitance and potential difference are C2 and V2 respectively. Then,
- KCET - 2023
- Physics
- Capacitors and Capacitance
- Five capacitors each of value 1 μF are connected as shown in the figure. The equivalent capacitance between A and B is
- KCET - 2023
- Physics
- Capacitors and Capacitance
- In figure, charge on the capacitor is plotted against potential difference across the capacitor. The capacitance and energy stored in the capacitor are respectively.
- KCET - 2021
- Physics
- Capacitors and Capacitance
- An electrician requires a capacitance of 6 μF in a circuit across a potential difference of 1.5 kV. A large number of 2 μF capacitors which can withstand a potential difference of not more than 500 V are available. The minimum number of capacitors required for the purpose is
- KCET - 2021
- Physics
- Capacitors and Capacitance
- If a slab of insulating material (conceptual) 4 × 10-3 m thick is introduced between the plates of a parallel plate capacitor, the separation between the plates has to be increased by 3.5 × 10-3m to restore the capacity to original value. The dielectric constant of the material will be
- KCET - 2021
- Physics
- Capacitors and Capacitance
Top KCET Questions
Match the following:
In the following, \( [x] \) denotes the greatest integer less than or equal to \( x \).
Choose the correct answer from the options given below:- KCET - 2025
- Differentiability
- If \[ y = \frac{\cos x}{1 + \sin x} \] then:
- KCET - 2025
- Differentiability
- A function \( f(x) \) is given by:
\[ f(x) = \begin{cases} \frac{1}{e^x - 1}, & \text{if } x \neq 0 \\ \frac{1}{e^x + 1}, & \text{if } x = 0 \end{cases} \] Then, which of the following is true?- KCET - 2025
- Limits
- The function f(x) is given by:
For x < 0:
f(x) = ex + axFor x ≥ 0:
f(x) = b(x - 1)2
The function is differentiable at x = 0. Then,- KCET - 2025
- Differentiability
- The derivative of \( \sin x \) with respect to \( \log x \) is:
- KCET - 2025
- Derivatives
View More Questions
Concepts Used:
Capacitor
Capacitors commonly known as Condensers are passive components, similar to a resistor. In capacitors, charges are usually stored in the form of an "electrical field". Electrical and electronic circuits depend on the same which is made up of two parallel metal plates that are not connected to one another. The two plates are separated by a non-conducting insulating medium called dielectric.
Uses of Capacitors:
- DC blocking capacitors block the DC and allows only AC to certain parts of the circuit.
- These are main elements of filters.
- They possess the ability to couple a section of the circuit to another.
Types of Capacitors:
- Ceramic capacitors are created by covering two sides of their tiny ceramic disc with silver and stacking them together.
- Film Capacitors are commonly used capacitors that are made up of different sets of capacitors.
- In an electrolytic capacitor metallic anode coated with an oxidized layer used as a dielectric.
- A Paper capacitor is also known as a fixed capacitor in which paper is used as the dielectric material.
Read More: Types of Capacitors