Electrical Machines: Motor Components and Types
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Questions and Answers

What is the name of the power source for the armature?

  • Outrunner
  • Commutator (correct)
  • Rotor
  • Inrunner

    • What is the type of brushless motor with high RPM but low torque?

  • Commutator
  • Shunt Series
  • Outrunner
  • Inrunner (correct)

    • What is the formula for RMS Power?

  • RMS Voltage multiply by RMS Current (correct)
  • RMS Voltage divided by RMS Current
  • RMS Voltage subtract by RMS Current
  • RMS Voltage plus RMS Current

    • What is the name of the device that measures current?

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

    What is the term for electrically charged atoms?

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

    What is the frequency of an alternator dependent upon?

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

    What type of machine do generators and motors operate as?

    <p>Rotating Electrical Machine</p> Signup and view all the answers

    What is the primary function of a voltmeter?

    <p>To measure the voltage of a circuit</p> Signup and view all the answers

    What is the minimum voltage that is considered hazardous to humans?

    <p>50 V AC, 120 V DC</p> Signup and view all the answers

    What is the process of generating high voltages by friction but with no current flow?

    <p>Static Electricity</p> Signup and view all the answers

    What is the type of battery where the electrochemical process is irreversible?

    <p>Primary Cell</p> Signup and view all the answers

    What is the principle behind the operation of all generators?

    <p>Induction of Motion</p> Signup and view all the answers

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