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  • Question

  • What does R1 equal in the given circuit? 90 ? 180 ? 200 ? 1.8 k?

    What does R1 equal in the given circuit?


  • Options
  • A. 90 Ω
  • B. 180 Ω
  • C. 200 Ω
  • D. 1.8 kΩ

  • Correct Answer
  • 180 Ω 

    • Parallel Circuits problems

    Search Results

    • 1. What procedure should be followed when troubleshooting with an ammeter or voltmeter?

    • Options
    • A. Short the leads and adjust.
    • B. Check the meter's external power supply.
    • C. Start with the highest scale and adjust down to a lower scale.
    • D. Start with the lowest scale and adjust up to a higher scale.
      • Discuss
    • 2. What is the total resistance of four 1 kΩ parallel-connected resistors?

    • Options
    • A. 200 ohms
    • B. 250 ohms
    • C. 400 ohms
    • D. 4 kilohms
      • Discuss
    • 3. What is the total resistance?


    • Options
    • A. 1.045 kΩ
    • B. 1.545 kΩ
    • C. 2.045 kΩ
    • D. 2.545 kΩ
      • Discuss
    • 4. If 550 mA of current leaves a node that had 250 mA entering from one branch, how much current would enter from the other?

    • Options
    • A. 250 mA
    • B. 300 mA
    • C. 550 mA
    • D. 800 mA
      • Discuss
    • 5. What is the product-over-sum result of 150 and 6800?

    • Options
    • A. 150
    • B. 146.7
    • C. 0.006
    • D. 6800
      • Discuss
    • 6. The current through R1 will be:


    • Options
    • A. 128 mA
    • B. 88 mA
    • C. 48 mA
    • D. 2.2 mA
      • Discuss
    • 7. 

      In the given circuit, Channel 1 of the stereo amplifier outputs 12 V to the speakers. How much total power is the amplifier delivering to the speakers?


    • Options
    • A. 0 W
    • B. 18 W
    • C. 36 W
    • D. More information is needed to find the total power delivered to the speakers.
      • Discuss
    • 8. If two parallel-connected resistors dissipate 6 watts and 10 watts of power, then what is the total power loss?

    • Options
    • A. 3.75 watts
    • B. 4 watts
    • C. 16 watts
    • D. 60 watts
      • Discuss
    • 9. In a parallel resistive circuit:

    • Options
    • A. there is more than one current path between two points
    • B. the voltage applied divides between the branches
    • C. the total branch power exceeds the source power
    • D. the total circuit conductance is less than the smallest branch conductance
      • Discuss
    • 10. Which component is open?


    • Options
    • A. R1
    • B. R2
    • C. R3
    • D. R4
      • Discuss

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