Series And Parallel Circuits

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CB
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Quizzes Created: 6 | Total Attempts: 7,302
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Series And Parallel Circuits - Quiz

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Questions and Answers
  • 1. 

    Is this an example of a Series or Parallel circuit?

    • A.

      Series Circuit

    • B.

      Parallel circuit

    • C.

      Combination circuit

    • D.

      Neither Parallel nor Series

    Correct Answer
    B. Parallel circuit
    Explanation
    This is an example of a parallel circuit because in a parallel circuit, the components are connected in such a way that there are multiple pathways for the current to flow. In this case, the components are connected in parallel, allowing the current to divide and flow through each component separately.

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  • 2. 

    In the circuit shown the Total Resistance is calculated as:

    • A.

      0.016 Ohms

    • B.

      1300 Ohms 

    • C.

      625 Ohms

    • D.

      100 Ohms

    Correct Answer
    C. 625 Ohms
    Explanation
    The total resistance in a circuit is calculated by adding up the resistances in parallel. 
    1/R = 1/10 + 1/2 + 1/1 = 16/10
    R = 10/16 = 0.625 kilo ohms = 625 ohms

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  • 3. 

    Is this a Series, Parallel or Combination circuit?

    • A.

      Series

    • B.

      Parallel

    • C.

      Combination

    • D.

      Cannot be Determined

    Correct Answer
    A. Series
    Explanation
    The given answer is "Series" because in a series circuit, the components are connected one after another, creating a single path for the current to flow. In this type of circuit, the current remains the same throughout, while the voltage is divided among the components.

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  • 4. 

    In the circuit shown what is the total resistance?

    • A.

      0.0909 Ohms

    • B.

      11 Ohms

    • C.

      3 Ohms

    • D.

      1.36 Ohms

    Correct Answer
    B. 11 Ohms
  • 5. 

    In the circuit shown the total resistance (to the nearest Ohm) is:

    • A.

      900 Ohms

    • B.

      186.72 Ohms

    • C.

      Cannot be determined

    • D.

      199 Ohms

    Correct Answer
    D. 199 Ohms
    Explanation
    The total resistance in a series circuit is equal to the sum of the individual resistances. In this circuit, there are three resistors connected in series: R1 (100 Ohms), R2 (300 Ohms), and R3 (400 Ohms). Therefore, the total resistance is 100 Ohms + 300 Ohms + 400 Ohms = 800 Ohms. However, there is an additional 1 Ohm resistor connected in parallel with R3. When resistors are connected in parallel, the total resistance is given by the formula 1/RTotal = 1/R1 + 1/R2 + 1/R3. Plugging in the values, we get 1/RTotal = 1/800 + 1/1, which simplifies to 1/RTotal = 1/800 + 1. Solving for RTotal, we get RTotal = 1/(1/800 + 1) = 199 Ohms.

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