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DC Machines and Transformers Quiz
5 Questions
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DC Machines and Transformers Quiz

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@GoodlyTigerEye

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Questions and Answers

In a series motor, what does the flux depend on?

  • Resistance
  • Induced voltage
  • Field current
  • Armature current (correct)

    • For the same torque, a series motor requires __________ compared to separately excited and shunt excited motors.

  • No current
  • More current
  • Same current
  • Less current (correct)

    • What type of applications are series motors suitable for?

  • High starting torque and heavy torque overloads (correct)
  • Constant speed applications
  • Variable speed applications
  • Low starting torque and light torque overloads

    • In a compound motor, what does the total flux depend on in the cumulative type?

    <p>Sum of shunt and series field fluxes</p> Signup and view all the answers

    How is the speed of a dc motor controlled?

    <ul> <li>KₑΦ / KₑΦ + (V/Ra)</li> </ul> Signup and view all the answers

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