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21 August, 09:54

Technician A says that when checking a voltage drop across an open switch, a measurement of 12 volts means the circuit is open. Technician B says that when checking voltage drop across an open switch, a measurement of 12 volts means the switch contacts are closed. Who is correct

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Answers (2)
  1. 21 August, 10:07
    0
    Technician B is correct

    Explanation:

    Electrical Switches makes or brakes the flow of signal (current or voltage) in a circuit.

    The Technician B that says the switch contacts are closed is correct because it is until when the circuit is continues that voltage flows across the switch and voltmeter will read the amount of voltage present in the circuit. This simply means closed circuit.

    Technician A is not correct because when the switch contacts are open, voltage does not flow and no reading will be measured.
  2. 21 August, 10:18
    0
    Technician B is correct

    Explanation:

    When a circuit is open there is no energy that allows the flux of charge in the cable. Voltage determines the capability of doing a work over charges to generate a charge flux. An open circuit is not able to generate a current in the circuit and concequently, ther is no voltage in the circuit.

    Hence, a measurement of 12V in a circuit means that the circuit is closed, store energy and can generate a flux of charge.

    Technician B is correct.
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