Measuring Electrical Resistance with a Multimeter
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Questions and Answers

What is the typical marking on a multimeter for measuring direct current amperage?

  • DCA (correct)
  • ACV
  • DCV
  • OHM
  • If you don't know the approximate value of the amperage you want to measure, which scale should you initially select on the multimeter?

  • The 200m scale
  • The lowest scale
  • Any scale will work
  • The highest scale, such as 10A (correct)
  • How can you measure the flow of water through a pipe?

  • Use a flow meter attached to the pipe
  • Cut the pipe and insert the end into a container to collect the water (correct)
  • Calculate the flow rate based on the pipe diameter and water pressure
  • Measure the temperature difference across the pipe
  • How is measuring electric current through a circuit similar to measuring water flow through a pipe?

    <p>You must open the circuit and insert an ammeter to measure the current</p> Signup and view all the answers

    Which probe connection on the multimeter should the black probe be inserted into when measuring amperage?

    <p>COM (common)</p> Signup and view all the answers

    Where should the multimeter be connected when measuring amperage in a circuit?

    <p>In series at the point where you want to measure the amperage</p> Signup and view all the answers

    If the multimeter displays a reading of zero when measuring amperage, what should you do?

    <p>Change to a lower scale</p> Signup and view all the answers

    What type of current does a multimeter measure when set to the DCA position?

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

    What is the purpose of an ammeter in an electrical circuit?

    <p>To measure current</p> Signup and view all the answers

    If you see a very low amperage value on the multimeter, what should you do?

    <p>Change to a lower scale</p> Signup and view all the answers

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