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  • Question

  • In the given circuit, R1 equals _____. 100 k? 200 k? 300 k? More information is needed to find R1.

    In the given circuit, R1 equals _____.


  • Options
  • A. 100 kΩ
  • B. 200 kΩ
  • C. 300 kΩ
  • D. More information is needed to find R1.

  • Correct Answer
  • 300 kΩ 

    • Series Circuits problems

    Search Results

    • 1. The ______ determines whether connected resistors are in series, parallel, or series-parallel?

    • Options
    • A. current flow
    • B. power source
    • C. voltage flow
    • D. wattage source
      • Discuss
    • 2. A voltage divider is always a _____

    • Options
    • A. series-parallel circuit
    • B. series circuit
    • C. parallel circuit
    • D. bridge circuit
      • Discuss
    • 3. ?1.2 V, +15 V, and ?6 V batteries are connected in series. The magnitude of total voltage is _________.

    • Options
    • A. 7.8 V
    • B. 10.2 V
    • C. 22.2 V
    • D. 1.3 V
      • Discuss
    • 4. If a 3.9 kΩ, a 7.5 kΩ, and a 5.6 kΩ resistor are connected in series with a 34 V source, the voltage dropped across the 7.5 kΩ resistor equals _____.

    • Options
    • A. 34 V
    • B. 15 V
    • C. 7.8 V
    • D. 11.2 V
      • Discuss
    • 5. If a 47 Ω and a 68 Ω resistor are connected in series, the total resistance is ___.

    • Options
    • A. 3,196 Ω
    • B. less than 47 Ω
    • C. less than 68 Ω
    • D. 115 Ω
      • Discuss
    • 6. 

      The total circuit power in the given circuit equals _____.


    • Options
    • A. 64 µW
    • B. 4 µW
    • C. 0 W
    • D. 16 × 10?12 W
      • Discuss
    • 7. If five equal resistors are connected in series with a 20 V source, and a current of 400 µA is measured, each resistor equals ___.

    • Options
    • A. 10 kΩ
    • B. 50 kΩ
    • C. 125 Ω
    • D. 20 Ω
      • Discuss
    • 8. If four 90 Ω resistors are connected in series across an 18 V source, the current equals ___.

    • Options
    • A. 50 mA
    • B. 0.2 A
    • C. 5 A
    • D. 20 A
      • Discuss
    • 9. If a 220 Ω, a 100 Ω, and a 180 Ω resistor are connected in series across a 12 V source, the circuit current equals ___.

    • Options
    • A. 41.67 A
    • B. 120 mA
    • C. 500 A
    • D. 24 mA
      • Discuss
    • 10. 

      In the given circuit, _____ are in series.


    • Options
    • A. R1 and R3
    • B. R3 and R5
    • C. R5 and R7
    • D. None of the above
      • Discuss

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