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Electrical Voltage Basics Quiz
10 Questions
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Electrical Voltage Basics Quiz

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@SaneRomanesque

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Questions and Answers

What is the unit of electrical pressure?

  • Hertz
  • Ampere
  • Ohm
  • Volt (correct)

    • What is the potential difference needed to cause one amp of current to pass through one ohm of resistance?

  • 10 volts
  • 20 volts
  • 1 volt (correct)
  • 5 volts

    • What is the difference between Alternating Current (AC) and Direct Current (DC)?

  • AC is 12vdc, while DC is 110vac
  • AC is measured in volts, while DC is measured in ohms
  • AC is battery voltage, while DC is house voltage
  • AC is house voltage, while DC is battery voltage (correct)

    • What is the main purpose of measuring voltage using a multimeter?

    <p>To obtain the voltage across two points in a circuit</p> Signup and view all the answers

    What precaution should be taken while measuring voltage with a multimeter?

    <p>Avoid touching the bare probe tips together to prevent a short-circuit</p> Signup and view all the answers

    Which setting should be selected on the multimeter when measuring voltage?

    <p>A setting that allows for the specific voltage range being measured</p> Signup and view all the answers

    What is the correct way to measure voltage using a multimeter?

    <p>Connect the multimeter in series to the circuit</p> Signup and view all the answers

    What is the purpose of the attenuator in an oscilloscope probe?

    <p>To decrease the input signal</p> Signup and view all the answers

    What should be done when plugging an oscilloscope into an AC outlet for safety reasons?

    <p>Use an isolating transformer</p> Signup and view all the answers

    How does a multimeter ensure minimal disruption to the circuit while measuring current?

    <p>By having practically no resistance between its leads</p> Signup and view all the answers

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