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AC vs DC
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AC vs DC

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Questions and Answers

What is the main difference between AC and DC?

  • AC voltage can be easily transformed, while DC voltage cannot be transformed as easily
  • AC is generated at power stations, while DC is generated in batteries
  • AC changes direction periodically, while DC flows in only one direction (correct)
  • AC is used in most appliances, while DC is used in certain types of machinery

    • What is the type of electrical current that is delivered to most homes and buildings?

  • Both AC and DC
  • DC
  • AC (correct)
  • Neither AC nor DC

    • What type of machinery requires a constant and stable power supply, such as certain types of motors?

  • Machinery that uses AC
  • Machinery that uses both AC and DC
  • Machinery that uses neither AC nor DC
  • Machinery that uses DC (correct)

    • What is the main difference between AC and DC?

    <p>DC changes direction periodically</p> Signup and view all the answers

    Which type of current is used in most appliances, electronic devices, and machinery that need to be plugged into a wall outlet?

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

    Why is AC voltage more easily transformed to a higher or lower voltage level using a transformer than DC voltage?

    <p>The direction of AC voltage can be changed, allowing for easier voltage transformation</p> Signup and view all the answers

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