Electrostatics Quiz
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Questions and Answers

Which material is most likely to gain electrons?

  • cotton
  • nylon
  • vinyl
  • human skin
  • silk
  • wool
  • rubber balloon
  • polyester
  • glass
  • paper
  • amber
  • acetate
  • wood
  • ebonite (correct)
  • rabbit fur

A material that readily gives up electrons will become positively charged.

True (A)

What is the name of the process by which objects gain or lose electrons?

Charging by conduction

Charging by conduction occurs when two objects with ______ amounts of electric charge come in contact

<p>different</p> Signup and view all the answers

Which is a scenario where charging by conduction can occur?

<p>Two charged objects (A), A charged object and a neutral object (B)</p> Signup and view all the answers

The electric charge is neutralized in the two pieces of metal after they come in contact.

<p>False (B)</p> Signup and view all the answers

Flashcards

Charge Tendency

A property of materials that describes their tendency to gain or lose electrons when rubbed against other materials.

Positively Charged

An object with a deficiency of electrons.

Negatively Charged

An object with an excess of electrons.

Neutral Object

An object with an equal number of protons and electrons.

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Charging by Conduction

Transfer of electrons between objects due to contact, causing objects to gain or lose charge.

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Electron Transfer

Movement of electrons from one object to another.

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Electron

A negatively charged subatomic particle.

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Charging by Conduction (Objects with diff. charges)

Transfer of electrons from a charged object to a neutral object upon contact.

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Charging by Conduction (Objects with same charges)

Transfer of electrons from a negatively charged object to a positively charged object after contact.

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materials with higher charge tendency

Materials that easily gain or lose electrons when rubbed against other materials.

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materials with lower charge tendency

Materials that are less likely to gain or lose electrons upon rubbing against other materials.

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Direction of electron flow

Electrons always move from the object with a larger negative charge (more electrons) to the object with a smaller negative charge.

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Neutral vs Charged Objects

Objects with equal numbers of positive and negative charges (Neutral) and objects with an imbalance; an excess or deficiency (charged).

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Charge Distribution

Arrangement of electrical charge on an object.

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Static Electricity

Accumulation of electrical charge on an object, often due to friction.

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Conductors

Materials that allow electrons to move easily from one place to another.

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Insulators

Materials that resist the flow of electrons.

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Charging by Friction

Transfer of electrons that happens when two different materials come in contact and are rubbed against one another.

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Charge Conservation

The principle that in any process, the total charge remains constant, though it can be transferred between objects..

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Study Notes

Charging by Contact

  • One material is more likely to attract extra electrons, and become negatively charged while the other material is more likely to give up electrons and become positively charged.
  • Example: hair and a comb are both neutral, but when rubbed together, the atoms in the comb gain electrons, and the atoms in the hair lose electrons.

Charging by Conduction

  • Occurs when two objects with different amounts of electric charge come in contact, and electrons move from one object to the other.
  • This can occur between a charged object and a neutral object, or between two charged objects.

Neutral vs. Charged Objects

  • The electric charge is not neutralized in the two pieces of metal after they come in contact, but they have the same type and amount of charge.
  • Electrons always move from the object with a larger negative charge to the object with a smaller negative charge (or a positive charge).

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Description

Test your understanding of electrostatic charging methods, including charging by contact and conduction. Learn how neutral and charged objects interact and the principles of electron movement in various scenarios. Perfect for physics students exploring the fundamentals of electricity.

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