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Electrostatics is a problem requiring consideration in refueling because of something called triboelectric effect. It's a form of contact electrification. Any time a material comes in contact with another material - let alone moves across it like a person walking across a rug - charges can move. When two materials rub across each other (like fuel passing through a hose), charges can move resulting in a charge buildup. If the materials involved in this process are not good conductors, the charge cannot bleed off, and it will build up where ever the charges can collect. Metal fittings are a good place for that to happen. In aircraft refueling, the first operation is the connection of a ground wire between the aircraft and the refueling vehicle. And the last thing on the checklist is to disconnect that ground wire. The problem is the same "static electricity" we encounter when we pull plastic wrap off a role. The underlying physics is the same - move something across something else, electric charges can move and an electrostatic difference of potential can build up in a nonconductive environment. Even to the point of an electric arc - which can be a disaster in refueling operations. Wikipedia has more information in their article on triboelectric effect, and a link is provided to that article. You'll find it below.

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How does the electrostatic generator work?

An electrostatic generator uses mechanical energy to separate positive and negative charges, creating a build-up of static electricity. This build-up can be stored in a capacitor and then discharged as a spark or electromagnetic radiation. The generator typically involves friction between two materials to transfer electrons and create a potential difference.


Lightning is form of what kind of energy?

Lightning is a form of electrical energy caused by the build-up and discharge of electricity in the atmosphere during thunderstorms.


Why is electrostatic force dangerous?

Electrostatic force can be dangerous because it can build up static electricity on surfaces or objects, leading to unexpected electrostatic discharge (ESD) or sparks. These sparks can ignite flammable materials or cause damage to sensitive electronic equipment. In certain conditions, electrostatic discharge can also pose a risk of electric shock to individuals.


Why electrostatic experiment not work well in humidity?

Humidity increases the presence of water molecules in the air, which can interfere with the build-up and transfer of charge in electrostatic experiments. The water molecules can dissipate the charge more easily, leading to poorer results in humid conditions.


Why electrostatic phenomenon is reduced in humidity?

Humidity helps increase the conductivity of air by providing moisture that facilitates the movement of charges. This increased conductivity allows excess charges to dissipate more easily, reducing the build-up of electrostatic phenomena. Additionally, water molecules in the air can attract and neutralize charged particles, further decreasing the likelihood of static electricity build-up.

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To prevent the build-up of electrostatic charge, you can use anti-static materials, ground or dissipate charge through conductive surfaces or wrist straps, avoid materials prone to building up charge, and maintain proper humidity levels in the environment. Regular cleaning and avoiding friction between materials can also help to minimize the build-up of electrostatic charge.


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Lightning is form of what kind of energy?

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What is thresholds?

Threshold energy is the energy level where some chemical/physical action happens. For instance water boils at 100 deg C the water molecule attains enough (kinetic) energy it can escape from the rest of the pull of the water molecules. It can be used other context as well e.g. there enough electrostatic energy build up in the clouds, a lightning occur. This is the threshold energy.


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Why it is dangerous to touch the knob of aeroplane during flight?

When the aeroplane is in flight, the friction between the moving plane and the surrounding molecules causes a build up of a charge on the plane. This electrostatic force can have the same effect as a current in a wire.


Why is electrostatic force dangerous?

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Tectonic forces/stresses build up during this phenomenon. Seismic energy is generated during this interaction.


What is ligthing?

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What is the process by which certain organisms capture energy from sunlight and use it to build energy-rich food molecules?

The process by which certain organisms capture energy from sunlight and use it to build energy-rich food molecules is called photosynthesis. During photosynthesis, light energy is absorbed by chlorophyll in the chloroplasts of plant cells, and this energy is used to convert carbon dioxide and water into glucose and oxygen.


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During light-dependent reactions, plants use the energy in ATP and NADPH to build glucose molecules through a process known as the Calvin cycle. This cycle involves carbon fixation, reduction, and regeneration of the molecule RuBP to produce glucose, which serves as a source of energy for the plant.