Building A Circuit On A Breadboard

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| By Gatorscientist58
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Gatorscientist58
Community Contributor
Quizzes Created: 1 | Total Attempts: 2,657
Questions: 10 | Attempts: 2,657

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Building A Circuit On A Breadboard - Quiz


Questions and Answers
  • 1. 

    Breadboards allow for prototyping an electrical circuit without the need to solder the components.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Breadboards are commonly used in electronics to quickly and easily prototype circuits. They have a grid of holes that allow components to be inserted and connected without the need for soldering. This makes it convenient for testing and modifying circuits without the permanent commitment of soldering. Therefore, the statement that breadboards allow for prototyping without soldering is true.

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  • 2. 

    The conductive metal strips on a breadboard

    • A.

      Contain buss strips commonly used for power connections

    • B.

      Provide socket strips in the build area to hold components

    • C.

      Are conductive with low resistance

    • D.

      All the above

    Correct Answer
    D. All the above
    Explanation
    The conductive metal strips on a breadboard serve multiple purposes. They contain buss strips that are commonly used for power connections, allowing for easy distribution of power throughout the circuit. They also provide socket strips in the build area to hold components securely in place. Additionally, these metal strips are conductive with low resistance, ensuring efficient flow of electrical signals. Therefore, all of the given options are correct.

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  • 3. 

    When observing electrical safety

    • A.

      Leaving the power connected allows you to monitor the success of the build

    • B.

      Wearing watches and ring is acceptable while working in low power circuits

    • C.

      Eye protection is necessary as components may shatter.

    • D.

      You should always treat the circuit as if it is off

    Correct Answer
    C. Eye protection is necessary as components may shatter.
    Explanation
    Power should always be removed if possible to prevent shock.
    Even in low power circuit when current travels through a conductor it may cause burns or blistering.
    Your are vulnerable to flying shards or oils if a component explodes and your eyes are soft targets
    You should always be cautious and treat the circuit as if it is energized.

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  • 4. 

    In preparing to build on a breadboard you should.

    • A.

      Simply look at the schematic and begin the build

    • B.

      Never assume the test equipment and components are functional

    • C.

      ignore any burn marks as you are only experimenting on the circuit.

    • D.

      Assume all jumper wired and connectors are intact

    Correct Answer
    B. Never assume the test equipment and components are functional
    Explanation
    When preparing to build on a breadboard, it is important to never assume that the test equipment and components are functional. This means that you should always check and test the equipment and components before starting the build. Assuming that they are functional without testing them can lead to potential issues and errors in the circuit. It is always better to be cautious and ensure that everything is working properly before proceeding with the build.

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  • 5. 

    There is only one proper method to building a circuit on a breadboard.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    You may use any method you desire as long as the circuit meets you prototypes schematic

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  • 6. 

    When connecting buss or socket strips the jumper wires should be

    • A.

      Long enough to make the connection yet short enough to prevent complications

    • B.

      Wrapped in a coil to prevent interferencing with the other components

    • C.

      As long at the test instrument's leads to decrease resistance

    • D.

      Soldered to the components to ensure conductivity

    Correct Answer
    A. Long enough to make the connection yet short enough to prevent complications
    Explanation
    Short wires have the advantage of not being easy to entangle as well as having a lower chance of induction.
    Wrapping the wires in a coil effectively makes an inductor which may impact other components.
    Long wires increase resistance and impedance in the circuit.
    The purpose of a breadboard is to allow solderless connections.

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  • 7. 

    When installing a component, you should

    • A.

      Place both ends of the leads in the same socket set.

    • B.

      Not be concerned about observing polarity in low-power circuits

    • C.

      Plan ahead to allow connections with other components

    • D.

      None of the aboves

    Correct Answer
    C. Plan ahead to allow connections with other components
    Explanation
    Placing both ends of a component in the same socket strip effectively "shorts" around the component.
    Polarity should always be observed when connection a component. Failing to do so may blow the component or block current.
    Always have a plan when building and look ahead to allow room for other components

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  • 8. 

    Components installed in parallel on a breadboard will share the same socket strip at both ends.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    When components are installed in parallel on a breadboard, it means they are connected to the same power source or ground. This connection is made through the socket strip on the breadboard, which runs horizontally across the board. Therefore, all components installed in parallel will share the same socket strip at both ends, making the statement "True".

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  • 9. 

    When installing an ammeter you should

    • A.

      Connect it in parallel with the component to be tested

    • B.

      Install the instrument in series with the current path

    • C.

      Place a resistor in series with the ammeter to prevent damaging the device

    • D.

      Set the multimeter to the ohms position and place in series to measure opposition to current flow

    Correct Answer
    B. Install the instrument in series with the current path
    Explanation
    Ammeters are connected in within the circuit in series with the path they are measuring
    Setting the meter to the ohms position within the path will damage the multimeter.
    The ammeter has a low internal resistance and placing an extra resistor in series will increase that resistance and not provide a proper reading.

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  • 10. 

    It is recommended that the last connection in the circuit should be the "hot", or positive, terminal for the power supply.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The last connection in the circuit should be the "hot" or positive terminal for the power supply because this ensures that the current flows in the intended direction and that the circuit functions properly. If the last connection is made to the negative terminal, it would result in reverse polarity, which can lead to malfunctioning or damage of the circuit components. Therefore, it is important to connect the positive terminal last to ensure correct polarity and safe operation of the circuit.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 27, 2018
    Quiz Created by
    Gatorscientist58
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