answersLogoWhite

0


Best Answer

Capacitors act like tiny storage batteries made of two plates separated by a thin insulator or air. When one plate is charged negative and the other positive, they build up a charge that remains when the current is removed. When its power is required, the circuit is switched to conduct current between the two plates, and the capacitor releases its charge.

AnswerCapacitors don't really store charge at all. They allow negative charge to be transferred from one plate to the other, thus establishing an electric field between their plates. But there is no net increase in charge -the amount of charge on the capacitor's plates, after 'charging', is exactly the same as there was before 'charging' -it's just moved around! What capacitors 'store' is energy, not charge.
User Avatar

Wiki User

12y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

12y ago

Yes....because they separate unlike charges out on each plate.

They are not charge storage devices. The total amount of charge in a capacitor is the same whether it is energized or not. It is just moved from one plate to the other.

Because the charges are separated, they need energy to keep them apart, hence a capacitor can be said to store electrical energy.

This answer is:
User Avatar

User Avatar

Wiki User

15y ago

Voltage in a capacitor is stored in the electric field between (or across) the plates of the cap. Charges arriving on one side "push" charges off the other side, and the field builds up across the dielectric. That electric field is the energy reservoir of the capacitor.

This answer is:
User Avatar

User Avatar

Wiki User

9y ago

A capacitor is a little like a battery. Although they work in completely different ways, capacitors and batteries both store electrical energy. A capacitor is much simpler than a battery, as it can't produce new electrons -- it only stores them.

Inside the capacitor, the terminals connect to two metal plates separated by a non-conducting substance, or dielectric. You can easily make a capacitor from two pieces of aluminum foil and a piece of paper. It won't be a particularly good capacitor in terms of its storage capacity, but it will work.

This answer is:
User Avatar

User Avatar

Wiki User

12y ago
Answer

A capacitor doesn't really store charge. When you 'charge' a capacitor, you are merely moving electrons from one plate and placing them on the other plate and establishing an electric field between the two plates -there is exactly the same amount of charge on the plates before as there was before! What you are storing is energy.

This answer is:
User Avatar

User Avatar

Wiki User

15y ago

A capacitor stores an electrical charge. The amount of charge is measured in Coloumbs.

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Do capacitors store electrical energy
Write your answer...
Submit
Still have questions?
magnify glass
imp
Related questions

What are objects that store electrical energy called?

Objects that store electrical energy are called capacitors. Capacitors store energy in an electric field between two conductive plates, which can then be released as needed in a circuit.


Where is the store of electrical energy in a circuit?

The store of electrical energy in a circuit is typically found in a component called a capacitor. Capacitors store energy in an electric field when they are charged and release it when needed. They are commonly used in electronic circuits to store energy, smooth voltage fluctuations, and filter noise.


What are the two ways electricity can be stored?

Electricity can be stored in batteries, which convert chemical energy into electrical energy. It can also be stored in capacitors, which store electrical energy in an electric field.


What can store electrical energy in circuits?

There is no easy way to store electricity. capacitors can store a charge but for commercial usage totally unsound. The way that man learnt o store electricity is by building dams and storing water. So when watter is released energy that energy can be converted to electricity.


What is a simple definition of electrical energy?

The energy in an electrical current, or stored temporarily in capacitors or inductances.


What three things that transfer energy by electricity?

Electrical wires can transfer energy by conducting electricity from a source to a device or appliance. Batteries can store and release electrical energy to power electronic devices or systems. Capacitors can temporarily store electrical energy and release it when needed, such as in camera flashes or in power supply systems.


What charges up and stores electrical energy?

Capacitors and batteries.


How capacitor deliver electrical energy constantely?

Capacitors store electrical energy in an electric field between two conductive plates. When connected to a circuit, capacitors release this stored energy in a steady and controlled manner, providing a constant flow of electrical energy as needed by the circuit. This allows capacitors to deliver energy consistently over time.


Which of the following can NOT be used to store an electrical charge?

Wood is not a material that can be used to store an electrical charge. Materials such as capacitors, batteries, and supercapacitors are commonly used for this purpose due to their ability to hold and release electrical energy. Wood is an insulator and does not have the conductive properties needed to store a charge.


What statements is not correct about the elements in a circuit?

One incorrect statement about elements in a circuit could be that capacitors always slow down the flow of current. In reality, capacitors can both store and release electrical energy, affecting the current flow in different ways depending on the circuit configuration.


How does a car store electric energy?

With the battery(s) and capacitors.


What is diectric constant?

The dielectric constant is a measure of a material's ability to store electrical energy in an electric field. It is a dimensionless quantity that represents the ratio of the electric permittivity of a material to the electric permittivity of a vacuum. Materials with high dielectric constants are good insulators and are commonly used in capacitors to store electrical charge.