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EEE :: Series - Parallel Circuits

  1. The internal resistance of a 30,000 ohm/volt voltmeter set on its 50 V range is

  2. A.
    15,000
    B.
    150,000
    C.
    1,500,000
    D.
    15,000,000

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  3. The parallel combination of a 6.8 k resistor and a 10 k resistor is in series with the parallel combination of a 2.2 k resistor and a 1 k resistor. A 100 V source is connected across the circuit. The resistor(s) with the greatest voltage drop is (are)

  4. A.
    6.8 k
    B.
    2.2 k
    C.
    6.8 k and 10 k
    D.
    2.2 k and 1 k

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  5. When a load resistance is removed from the output of a voltage divider circuit, the current drawn from the source

  6. A.
    decreases
    B.
    increases
    C.
    remains the same
    D.
    is cut off

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  7. A certain circuit is composed of two parallel resistors. The total resistance is 1,403 . One of the resistors is 2 k. The other resistor value is

  8. A.
    1,403
    B.
    4.7 k
    C.
    2 k
    D.
    3,403

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  9. The parallel combination of a 470 resistor and a 680 resistor is in series with the parallel combination of four 2 k resistors. The total resistance is

  10. A.
    1,650
    B.
    1,078
    C.
    77.8
    D.
    778

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  11. A 12 k resistor, a 15 k resistor, and a 22 k resistor are in series with two 10 k resistors that are in parallel. The source voltage is 75 V. Current through the 15 k resistor is approximately

  12. A.
    14 mA
    B.
    1.4 mA
    C.
    5 mA
    D.
    50 mA

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  13. A 6 V battery output is divided down to obtain two output voltages. Three 2.2 k resistors are used to provide the two taps. The two output voltages are

  14. A.
    2 V, 4 V
    B.
    2 V, 2 V
    C.
    2 V, 6 V
    D.
    4 V, 6 V

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  15. Two 3.3 k resistors are in series and this series combination is in parallel with a 4.7 k resistor. The voltage across one of the 3.3 k resistors is 12 V. The voltage across the 4.7 k resistor is

  16. A.
    24 V
    B.
    12 V
    C.
    0 V
    D.
    6 V

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  17. A balanced Wheatstone bridge consists of an RV of 3,500 , an R2 of 200 , and an R3 of 680 . The value of RUNK is

  18. A.
    680
    B.
    1,029
    C.
    200
    D.
    880

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  19. In a certain five-step R/2R ladder network, the smallest resistor value is 1 k. The largest value is

  20. A.
    indeterminable
    B.
    2 k
    C.
    10 k
    D.
    20 k

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