Electric Currents and Charge Carriers Quiz

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Questions and Answers

What is the definition of an electric current?

  • The net rate of flow of ions through a surface
  • The flow of magnetic particles through a conductor
  • A flow of charged particles through an electrical conductor or space (correct)
  • The movement of protons through a wire

In electric circuits, what are the charge carriers often?

  • Neutrons
  • Electrons (correct)
  • Positively charged ions
  • Protons

What unit is electric current expressed in the International System of Units (SI)?

  • Volt
  • Watt
  • Ampere (correct)
  • Ohm

What is an ammeter used to measure?

<p>Electric current (D)</p> Signup and view all the answers

In which type of material can the charge carriers be electrons or holes?

<p>Semiconductors (C)</p> Signup and view all the answers

What is the definition of an electric current?

<p>A flow of charged particles through an electrical conductor or space (D)</p> Signup and view all the answers

What are the charge carriers in electric circuits?

<p>Electrons (C)</p> Signup and view all the answers

In which unit is electric current expressed in the SI system?

<p>Ampere (D)</p> Signup and view all the answers

What is another name for electric current?

<p>Amperage (C)</p> Signup and view all the answers

What are the charge carriers in an electrolyte?

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

Flashcards

Electric Current

A flow of charged particles through an electrical conductor or space.

Charge Carriers in Circuits

Electrons are the primary charge carriers in electric circuits.

Unit of Electric Current

The SI unit for electric current is the ampere (A).

What does an ammeter measure?

An ammeter is a device used to measure the flow of electric current in a circuit.

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Charge Carriers in Semiconductors

Semiconductors are materials where charge carriers can be either electrons or holes.

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Definition of Electric Current

The movement of charged particles through a conductor or space.

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Charge Carriers in Circuits

In electric circuits, electrons are the primary charge carriers.

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SI Unit for Electric Current

Ampere is the SI unit for electric current.

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What is Amperage?

Another term for electric current, which measures the rate of charge flow.

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Charge Carriers in Electrolytes

In an electrolyte, ions are the charge carriers.

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