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  • Question

  • The loading effect of a voltmeter can be ignored if ____.


  • Options
  • A. the measured voltage is very high
  • B. the measured voltage is very low
  • C. the meter's resistance is at least 10 times greater than the resistance across which it is connected
  • D. the meter's resistance is at least 10 times less than the resistance across which it is connected

  • Correct Answer
  • the meter's resistance is at least 10 times greater than the resistance across which it is connected 

    • Series-Parallel Circuits problems

    Search Results

    • 1. If the output voltage of a certain loaded voltage divider is 12 V, the output voltage might decrease when the load is removed.

    • Options
    • A. True
    • B. False
      • Discuss
    • 2. Observed voltages not being shared identify components in parallel in a series?parallel circuit.

    • Options
    • A. True
    • B. False
      • Discuss
    • 3. The current through R6 is 8.5 mA.


    • Options
    • A. True
    • B. False
      • Discuss
    • 4. The voltage out when a 10 kΩ load is connected is 5.7 volts.


    • Options
    • A. True
    • B. False
      • Discuss
    • 5. 

      In the given circuit, the Thevenin voltage equals 6 V.


    • Options
    • A. True
    • B. False
      • Discuss
    • 6. If a Wheatstone bridge is balanced, its output voltage is ____.

    • Options
    • A. the same as its input voltage
    • B. very high
    • C. dependent on the unknown resistor value
    • D. equal to 0 V
      • Discuss
    • 7. 

      In the given circuit, the current flowing through R3 equals ______.


    • Options
    • A. 10 mA
    • B. 21.11 mA
    • C. 90 mA
    • D. 100 mA
      • Discuss
    • 8. Series components in a series?parallel circuit may be in series with other _______________ components, or with other _______________ components.

    • Options
    • A. individual, combinations of
    • B. series, parallel
    • C. parallel, series
    • D. shunt, parallel
      • Discuss
    • 9. 

      In the given circuit, the total resistance (RT) between points A and B equals _____.


    • Options
    • A. 10 Ω
    • B. 100 Ω
    • C. 900 Ω
    • D. 1,010 Ω
      • Discuss
    • 10. When a load is connected to a voltage divider, the total resistance of the circuit will ________.

    • Options
    • A. increase
    • B. decrease
    • C. remain the same
    • D. double
      • Discuss

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