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Home ‣ Electronics ‣ Ohm's Law Comments
  • Question

  • If the resistance in a circuit with constant voltage increases, the current will


  • Options
  • A. increase
  • B. decrease
  • C. stay the same
  • D. Not enough information

  • Correct Answer
  • decrease 

    • Ohm's Law problems

    Search Results

    • 1. 

      What is the power in the given circuit?


    • Options
    • A. 32 W
    • B. 80 W
    • C. 500 W
    • D. 16 kW
      • Discuss
    • 2. Op-amps used as high- and low-pass filter circuits employ which configuration?

    • Options
    • A. noninverting
    • B. comparator
    • C. open-loop
    • D. inverting
      • Discuss
    • 3. How many logic states does an S-R flip-flop have?

    • Options
    • A. 2
    • B. 3
    • C. 4
    • D. 5
      • Discuss
    • 4. 

      What value of input resistance is needed in the given circuit to produce the given output voltage?


    • Options
    • A. 50 Ω
    • B. 4 kΩ
    • C. 4.08 kΩ
    • D. 5 kΩ
      • Discuss
    • 5. All of the following are basic op-amp input modes of operation EXCEPT

    • Options
    • A. inverting mode
    • B. common-mode
    • C. double-ended
    • D. single-ended
      • Discuss
    • 6. 

      What is the resistor value in the given circuit?


    • Options
    • A. 200 Ω
    • B. 1 kΩ
    • C. 2 kΩ
    • D. 4 kΩ
      • Discuss
    • 7. What electromotive force would cause 20 A of current to flow through a 500 Ω resistor?

    • Options
    • A. 0.04 V
    • B. 2.5 V
    • C. 25.0 V
    • D. 10,000 V
      • Discuss
    • 8. What is the kilowatt-hour consumption of a 40 W lamp if it remains on for 1750 h?

    • Options
    • A. 43.75
    • B. 70
    • C. 43,750
    • D. 70,000
      • Discuss
    • 9. "Half-splitting" is

    • Options
    • A. a means for nuclear fuel cells to produce electricity
    • B. a means of isolating a problem in a circuit
    • C. a means for reducing a high ac voltage to a low dc voltage
    • D. a means of limiting current in a circuit
      • Discuss
    • 10. Energy is defined as the ability to

    • Options
    • A. produce heat
    • B. produce light
    • C. produce sound
    • D. All of the above
      • Discuss

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