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Parallel Plate Capacitor

Electrostatic Potential and Capacitance

Physics

Class 12

Overview

Describe parallel plate capacitor. Give its dependence on material, area and distance of plate. Describe why is is better than single isolated plate.,Derive the formula for parallel plate capacitor. C = Q / V = e0A / d.,Realise that the charge on the inner surfaces of parallel plates are equal and opposite. Derive the charges on all four surfaces.

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Videos

Capacitance of Conductor

9 mins

Capacitance of Two Conductor

8 mins

Capacitance of Parallel Plate Capacitor

11 mins

Charge Distribution in parrallel plate capacitor-I

8 mins

Charge distribution in parrallel plate capacitor - II

13 mins

Study Materials

Effect of Dielectric on Capacitance: Dielectric Constant, Videos, Examples

Quick summary with Stories

Capacitance of Parallel Plate Capacitor

4 mins mins read

Charge Distribution in Parrallel Plate Capacitor-I

2 mins mins read

Revise with Concepts

Properties of Parallel Plate Capacitor

ExampleDefinitionsFormulaes

Capacitance of Parallel Plate Capacitor

ExampleDefinitionsFormulaes

Charge Distribution Between Plates of Parallel Plate Capacitors

ExampleDefinitionsFormulaes

Practice Questions

That are catagorized depending on difficulty level

Easy Medium Hard

When the charge given to a capacitor is doubled its capacitance

Medium

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Two vertical metallic plates carrying equal and opposite charges are kept parallel to each other like a parallel plate capacitor. A small spherical metallic ball is suspended by a long insulated thread such that it hangs freely in the center of the two metallic plates. The ball, which is uncharged, is taken slowly towards the positively charged plate and is made to touch that plate. Then the ball will :

Medium

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Two capacitors with capacitance values $C_{1} = 2000 \pm 10 p F$ and $C_{2} = 3000 \pm 15 p F$ are connected in series. The voltage applied across this combination is $V = 5.00 \pm 0.02 V .$ The percentage error in the calculation of the energy stored in this combination of capacitors is ______.

Hard

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A capacitor of capacitance $C_{0}$ is charged to a potential $V_{0}$ and then isolated. A small capacitor C is then charged from $C_{0}$ , discharged and charged again; the process being repeated n times. Due to this, potential of the larger capacitor is decreased to V. The value of C is?

Hard

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Three identical metallic plates are kept parallel to one another at separation $a$ and $b$ as known in figure. The outer plates are connected by a thin conducting wire and a charge $Q$ is placed on the central plate. Find the charge on all the six surfaces.

Hard

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A parallel plate capacitor consists of two circular plates each of radius $12 c m$ and separated by $5.0 m m$ . The capacitor is being charged by an external source. The charging current is constant and is equal to $0.15 A$ . The rate of change of potential difference between the plates will be :

Medium

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Two conducting parallel plates are separated by a distance of 0.001m.A 9 Vbattery is connected across the plates.Find out the electric field between the plates?

Hard

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When an ideal capacitor is charged by dc battery, no current flows, However, When an ac source is used, the current flows continuously. How does one explain this, based on the concept of displacement current?

Medium

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Three capacitors are connected as shown in Fig. Then, the charge on capacitor $C_{1}$ is?

Hard

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A capacitor is charged with a battery and then removed from the battery. In this specially designed capacitor, we are able to make the plate size (area) larger without changing anything else.
If the plate area is made larger after the capacitor has been disconnected, what will happen to the charge on the plates, the voltage across the plates, and the value of capacitance for this capacitor?

Medium

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Parallel Plate Capacitor

Overview

Learn

Videos

Study Materials

Quick summary with Stories

Capacitance of Parallel Plate Capacitor

Charge Distribution in Parrallel Plate Capacitor-I

Revise with Concepts

Properties of Parallel Plate Capacitor

Capacitance of Parallel Plate Capacitor

Charge Distribution Between Plates of Parallel Plate Capacitors

Related questions

When the charge given to a capacitor is doubled its capacitance

Two capacitors with capacitance values $C_{1} = 2000 \pm 10 p F$ and $C_{2} = 3000 \pm 15 p F$ are connected in series. The voltage applied across this combination is $V = 5.00 \pm 0.02 V .$ The percentage error in the calculation of the energy stored in this combination of capacitors is ______.

A capacitor of capacitance $C_{0}$ is charged to a potential $V_{0}$ and then isolated. A small capacitor C is then charged from $C_{0}$ , discharged and charged again; the process being repeated n times. Due to this, potential of the larger capacitor is decreased to V. The value of C is?

Three identical metallic plates are kept parallel to one another at separation $a$ and $b$ as known in figure. The outer plates are connected by a thin conducting wire and a charge $Q$ is placed on the central plate. Find the charge on all the six surfaces.

A parallel plate capacitor consists of two circular plates each of radius $12 c m$ and separated by $5.0 m m$ . The capacitor is being charged by an external source. The charging current is constant and is equal to $0.15 A$ . The rate of change of potential difference between the plates will be :

Two conducting parallel plates are separated by a distance of 0.001m.A 9 Vbattery is connected across the plates.Find out the electric field between the plates?

When an ideal capacitor is charged by dc battery, no current flows, However, When an ac source is used, the current flows continuously. How does one explain this, based on the concept of displacement current?

Three capacitors are connected as shown in Fig. Then, the charge on capacitor $C_{1}$ is?

More topics

Parallel Plate Capacitor

Overview

Learn

Videos

Study Materials

Quick summary with Stories

Capacitance of Parallel Plate Capacitor

Charge Distribution in Parrallel Plate Capacitor-I

Revise with Concepts

Properties of Parallel Plate Capacitor

Capacitance of Parallel Plate Capacitor

Charge Distribution Between Plates of Parallel Plate Capacitors

Related questions

When the charge given to a capacitor is doubled its capacitance

Two capacitors with capacitance values C1​=2000±10pF and C2​=3000±15pF are connected in series. The voltage applied across this combination is V=5.00±0.02V. The percentage error in the calculation of the energy stored in this combination of capacitors is ______.

A capacitor of capacitance C0​ is charged to a potential V0​ and then isolated. A small capacitor C is then charged from C0​, discharged and charged again; the process being repeated n times. Due to this, potential of the larger capacitor is decreased to V. The value of C is?

Three identical metallic plates are kept parallel to one another at separation a and b as known in figure. The outer plates are connected by a thin conducting wire and a charge Q is placed on the central plate. Find the charge on all the six surfaces.

A parallel plate capacitor consists of two circular plates each of radius 12cm and separated by 5.0mm. The capacitor is being charged by an external source. The charging current is constant and is equal to 0.15A. The rate of change of potential difference between the plates will be :

Two conducting parallel plates are separated by a distance of 0.001m.A 9 Vm.A9Vbattery is connected across the plates.Find out the electric field between the plates?

When an ideal capacitor is charged by dc battery, no current flows, However, When an ac source is used, the current flows continuously. How does one explain this, based on the concept of displacement current?

Three capacitors are connected as shown in Fig. Then, the charge on capacitor C1​ is?

More topics

Two capacitors with capacitance values $C_{1} = 2000 \pm 10 p F$ and $C_{2} = 3000 \pm 15 p F$ are connected in series. The voltage applied across this combination is $V = 5.00 \pm 0.02 V .$ The percentage error in the calculation of the energy stored in this combination of capacitors is ______.

A capacitor of capacitance $C_{0}$ is charged to a potential $V_{0}$ and then isolated. A small capacitor C is then charged from $C_{0}$ , discharged and charged again; the process being repeated n times. Due to this, potential of the larger capacitor is decreased to V. The value of C is?

Three identical metallic plates are kept parallel to one another at separation $a$ and $b$ as known in figure. The outer plates are connected by a thin conducting wire and a charge $Q$ is placed on the central plate. Find the charge on all the six surfaces.

A parallel plate capacitor consists of two circular plates each of radius $12 c m$ and separated by $5.0 m m$ . The capacitor is being charged by an external source. The charging current is constant and is equal to $0.15 A$ . The rate of change of potential difference between the plates will be :

Two conducting parallel plates are separated by a distance of 0.001m.A 9 Vbattery is connected across the plates.Find out the electric field between the plates?

Three capacitors are connected as shown in Fig. Then, the charge on capacitor $C_{1}$ is?