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Electrostatics

Electrostatics is the branch of physics that deals with the study of charges at rest. A common electrostatic phenomena is plastic wrap sticking to your hand and itself when removed from the box. Everything to do with electrostatics goes in this category.

1,860 Questions

What is higher 5.8e7 or 9.5e5 conductivity of metals?

5.8e7 is a larger number than 9.5e5.

5.8e7 can be written as 58,000,000, and 9.5e5 can be written as 950,000.

Conductivity is a measure of the ability of a material to conduct electricity. A large conductivity means that the material conducts electricity well. The units of electrical conductivity are siemens per meter (Sm-1).

What are 5 facts about static electricity?

  1. Static electricity occurs when positive and negative charges build up on the surface of an object.
  2. It can be generated by friction between two objects or by separating and rejoining charges.
  3. Static electricity can cause objects to stick together or repel each other.
  4. It can also cause sparks or shocks when discharged.
  5. Some common examples of static electricity include rubbing a balloon on your hair to make it stick and lightning during a storm.

Which wavelength has the lowest frequency?

The longest one does.

If you're talking about visible light, then it's the last color you can see

on the red end.

If you're talking about the electromagnetic spectrum in general, then

there's no such thing as the "lowest" frequency.

What does symbol B mean in physics?

In physics, symbol B is often used to represent magnetic field. Magnetic fields are vector quantities that exert a force on moving electric charges and magnetic materials. This symbol is commonly used in equations involving electromagnetic phenomena.

What will happened to the strength of electric field inside a shell of charge?

Inside a shell of charge, the electric field strength is zero, regardless of the thickness of the shell or the distribution of charge on it. This is due to the property of electrostatics known as Gauss's Law, which states that the electric field inside a closed surface enclosing a charge distribution is zero.

How do you calculate Electric field due to an isolated point charge point charge?

yes it can We have Epsilon equals charge by area imagine a photographic enlargement of the charge inside which this point charge exists then you can calculate B(Mag. Field intensity) We have E=Int.(B.dA) Was ur doubt clarified?

How are electricity static electricity and magnetism related?

well in simple terms a static electricity is charge, which is a basic quality of matter , in fact it is as basic as mass. Now, a charge in motion is a current or in other words electricity. And magnetism is a result of the motion of charge. so in a way these all three are related.

An electric field surrounds an electric charge What additional field surrounds a moving electric charge?

A moving electric charge produces both an electric field and a magnetic field. The magnetic field surrounds the moving charge and is perpendicular to both the direction of motion and the electric field. This combined electromagnetic field is described by Maxwell's equations.

What is the removal of static electricity by conduction to the earth called?

The removal of static electricity by conduction to the earth is called grounding. It involves connecting an object to the ground to neutralize any excess electrical charge.

What are the small individual areas within a magnet called?

magnetic domains. itdescribes a region within a magnetic material which has uniform magnetization. This means that the individual magnetic moments of the atoms are aligned with one another and point in the same direction. Below a temperature called the Curie temperature, a piece of ferromagnetic material undergoes a phase transition and its magnetization spontaneously divides into many tiny magnetic domains, with their magnetic axes pointing in different directions. Magnetic domain structure is responsible for the magnetic behavior of ferromagnetic materials like iron. The regions separating magnetic domains are called domain walls where the magnetisation rotates coherently from the direction in one domain to that in the next domain.

Static in static electricity describes what property of the charge?

The "static" in static electricity describes that the charge is unmoving, or staying in one place. A movement of electrons is not occuring, however there is an electrical charge.

The opposite would be current electricity that flows, and that you would find in electric cords, etc...

What does static electricity and current electricity have in common?

Static electricity and current electricity both involve the movement of electrical charge. In static electricity, charges build up on objects without flowing, while in current electricity, charges flow continuously in a closed circuit. Both types of electricity can result in the attraction or repulsion of objects due to the presence of opposite or like charges.

How do you attract customers to a bar?

You can attract customers to a bar by offering unique drink specials, hosting events like live music or themed nights, promoting your bar on social media platforms, collaborating with influencers or local businesses, and providing excellent customer service to create a welcoming atmosphere.

How can a molecule have an instantaneous dipole?

If you mean a dipole which only lasts for an instant, then you have to picture the electrons of the molecule surrounding the nuclei. In a non-polar molecule the electrons are shared evenly on average, but at any one second they may be distributed so that there is a greater density at one end than another, i.e. there is a temporary dipole.

What are the Advantages of air not being a conductor of electricity?

if air is a conductor of electricity ,then everyone will be undergone for great electric shock because air is everywhere . without air we cant live .

Air can be a conductor but is a better insulator! An example of it conducting is lightning. If it was not a better insulator we would not be able survive. Another advantage is: the ability to string high voltage wires for the transmission of electricity.

If you charge the end of a plastic comb and then put the same charge on the surface of a round metal ball what would happen to charge in each case?

When you charge the end of a plastic comb and then transfer that charge to a round metal ball, the charge on the ball quickly spreads out to the entire surface due to the conductive nature of the metal ball. The charge on the comb is transferred to the entire surface of the ball, resulting in a more evenly distributed charge across the metal ball.

What is the Difference between left hand rule and right hand rule?

Fleming's right hand rule shows the direction of induced current flow when a conductor moves in a magnetic field.

Fleming's left hand rule shows the direction of the thrust on a conductor carrying a current in a magnetic field.

Where is the electric field in conducting and non-conducting sheets?

In a conducting sheet, the electric field is zero inside the material but can exist on the surface due to excess charge redistribution. In a non-conducting sheet, the electric field can exist both inside the material and on the surface, depending on the charge distribution.

Give the relationship between electrostatic and magnetostatic?

like magnets, two non conductive materials containing an electrostratic charge attract each other. if how ever something non conductive with an electrostatic charge touches something conductive it will discharge its built up electrostatic charge to attempt equalization or neutrality. ( what is felt when you touch a door handle and shock yourself. this is electrostatic charge built up in your body discharging on something or someone conductive.) when two people shock each other they arent conductive. there different static charges try and equalize.

Is earth an electromagnet?

a part of the earths structure causes it to act like an electromagnet

If two charged objects touch how does one determine their new charges?

if one assumes that these charged objects are conductors, then the charges will equalise

Hence, add both the charges together, and then divide by two, unless there is more to the question.

Does static electricity give light to your house?

No, static electricity does not light your home. Electric power plants send electricity to your house via the power grid, all of which works on an alternating current or AC. At the generating plant, this alternating current is stepped up to high voltages to distribute it, and it is then stepped down on the delivery end. The electricity is distributed to everyone on the power grid, and your house applies the AC to power up the lights and the electrical appliances.

Static electricity, which is generated in tiny amounts around us all the time, is not a "stable" or "reliable" source of power. We haven't yet been successful in harnessing lightning, the most powerful of earth's static electric sources, to apply it to useful purposes on anything buy an experimental scale. We don't use static electricity for residential purposes.

If you wired up the circuit with a bulb two batteries and a switch with a thin wire what will happen?

The circuit will likely overload the thin wire due to the higher current flowing from the batteries to the bulb. This can cause the wire to heat up and potentially melt or even start a fire. It's important to use wires that can handle the current in a circuit to prevent overheating and potential safety hazards.

What machines use static electricity?

Static electricity is caused by static electrical charges. For example by rubbing a piece of amber electrons are extracted from surface molecules due to the mechanical action. The molecules are positively charged and the amber starts to generate an electrostatic field.

Electrostatic Fields not only attracts (or repel) charged objects, but also create dipoles that are also influenced by the field. For example, let us consider a neutral piece of paper in the presence of an electrified piece of amber. Electrons from the piece of paper molecules are attracted by the amber while positive nuclei are repelled. Naturally the amber is not so strongly charged to divide electrons from nuclei (a huge force would be needed), but in average electrons are nearer to the amber and the nuclei gets far. What happens is roughly represented below, where --- represents a bond within the paper (that behaves like a string) and ---> the electrical field.

Surface of the paper

Nucleus -- electron

Nucleus -- electron -------> Amber (positively charged)

Nucleus -- electron

Since the charge is now neutral in average, but unbalanced as far as the spatial distribution is concerned, the paper is attracted by the charged amber.

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