Introduction to Electricity: Atomic Particles
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Introduction to Electricity: Atomic Particles

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Questions and Answers

What is the negatively charged particle of an Atom sometimes referred to as?

  • Electron (correct)
  • Proton
  • Ion
  • Neutron

    • Which particle of an Atom is not electrically charged?

  • Ion
  • Proton
  • Neutron (correct)
  • Electron

    • What is the term applied to an atom or molecule which is not electrically balanced?

  • Proton
  • Neutron
  • Electron
  • Ion (correct)

    • Who is the electrical pressure, causing electrons to move through a conductor, named after?

    <p>Alessandro Volta</p> Signup and view all the answers

    What is the amount of current flow sent by one volt through the resistance of one Ohm?

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

    What is electricity defined as in terms of Electrons?

    <p>'Electrons in motion'</p> Signup and view all the answers

    Who is known as the 'Father of Electricity'?

    <p>William Gilbert</p> Signup and view all the answers

    What does the term 'Watt' represent in electricity?

    <p>Rate of power consumption</p> Signup and view all the answers

    In the context of electricity, what does 'Resistance' refer to?

    <p>Opposition to current flow</p> Signup and view all the answers

    How is electricity described as being discovered?

    <p>Accidentally by the ancient Greeks</p> Signup and view all the answers

    What is a circuit in electrical terms?

    <p>Supply current to light and outlets</p> Signup and view all the answers

    In direct current (DC) electricity, what is used to represent friction to current flow?

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

    In an electrical circuit, what happens to power loss when operating at increased voltage?

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

    For a circuit with higher resistance, what happens to the current?

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

    What is the power factor of an electric fan and blower connected to a 240 volts outlet with a power factor of 0.85?

    <p>0.85</p> Signup and view all the answers

    What is the power factor of an electric motor with a trademark label of 2 horsepower, 240 volts, and 15 amperes?

    <p>0.64</p> Signup and view all the answers

    What is the current flowing through a circuit with a resistance of 5 Ohms connected to a 120 volts supply?

    <p>15 A</p> Signup and view all the answers

    What is the voltage in a circuit with a resistance of 20 Ohms and a current flow of 12 amperes?

    <p>240 V</p> Signup and view all the answers

    What is required for an electric current to flow in a circuit?

    <p>A source of voltage, closed loop of wiring, electric load, means of opening and closing the circuit</p> Signup and view all the answers

    Which factor influences conductor resistance based on the provided text?

    <p>Composition of the conductor</p> Signup and view all the answers

    What is the direction of flow for Direct Current (DC) electricity?

    <p>From negative to positive</p> Signup and view all the answers

    What generates Alternating Current (AC) electricity?

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

    What is the frequency unit used to measure Alternating Current (AC)?

    <p>Hertz (Hz)</p> Signup and view all the answers

    How does the length of wire affect resistance?

    <p>The longer the wire, the higher the resistance</p> Signup and view all the answers

    In a parallel circuit, how are the loads connected?

    <p>Across the same voltage</p> Signup and view all the answers

    What is synonymous with energy in electrical terms?

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

    How does voltage behave in a series connection of resistors?

    <p>It remains constant throughout</p> Signup and view all the answers

    What is the standard wiring arrangement for house connections?

    <p>Parallel circuit</p> Signup and view all the answers

    Which term refers to the rate at which energy is used?

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

    How can energy be expressed in electrical terms?

    <p>Kilowatt-hour</p> Signup and view all the answers

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