Introduction to Electrical Current and Charge Basics
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Questions and Answers

Which fundamental property of an electrical charge states that charge is neither created nor destroyed?

  • Charge can be transferred from one object to another
  • 2 types of charge: + & -
  • Like charges repel, opposites attract
  • Charge is neither created or destroyed (correct)
  • What is the international unit of current?

  • Coulomb
  • Ohm
  • Amp (correct)
  • Voltage
  • What is the force that results from the separation of charges called?

  • Voltage
  • Electric field (correct)
  • Resistance
  • Current
  • What is an ion?

    <p>A molecule that has gained or lost an electron</p> Signup and view all the answers

    What does the accumulation of electrons at one point in a circuit create?

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

    What is the resulting electro-motive force created by differences in potential?

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

    Which type of electrical current involves uninterrupted bidirectional flow of ions that changes direction at least 1 time per second?

    <p>Alternating current (AC)</p> Signup and view all the answers

    What is the quantity or amount of ions or electrons flowing at a given time called?

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

    Which material disrupts the free movement of electrons?

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

    Which aspect of electrical waveforms is used to determine the physiological impact of therapeutic electrical stimulation?

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

    What is the physiological impact of therapeutic electrical stimulation determined by?

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

    Which type of electrical current involves continuous unidirectional flow of ions or electrons for at least 1 second?

    <p>Direct current</p> Signup and view all the answers

    What is the resulting electro-motive force created by differences in potential called?

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

    Which material allows the free movement of electrons?

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

    What is the quantity or amount of ions or electrons flowing at a given time called?

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

    What fundamental property of an electrical charge states that charge is neither created nor destroyed?

    <p>Charge is neither created or destroyed</p> Signup and view all the answers

    What is the force that results from the separation of charges called?

    <p>Electric field</p> Signup and view all the answers

    What does the accumulation of electrons at one point in a circuit create?

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

    What type of charge does the cathode possess?

    <ul> <li>charge pole</li> </ul> Signup and view all the answers

    What is an ion?

    <p>Molecule that has gained or lost an electron</p> Signup and view all the answers

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