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MCQs

Total Questions : 82 | Page 5 of 9 pages
Question 41. 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
  1.    14 mA
  2.    50 mA
  3.    5 mA
  4.    1.4 mA
 Discuss Question
Answer: Option D. -> 1.4 mA
Question 42. 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
  1.    2 V, 4 V
  2.    2 V, 2 V
  3.    4 V, 6 V
  4.    2 V, 6 V
 Discuss Question
Answer: Option A. -> 2 V, 4 V
Question 43. In a certain five-step R/2R ladder network, the smallest resistor value is 1 k. The largest value is
  1.    indeterminable
  2.    10 k
  3.    20 k
  4.    2 k
 Discuss Question
Answer: Option D. -> 2 k
Question 44. 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
  1.    680
  2.    1029
  3.    200
  4.    880
 Discuss Question
Answer: Option B. -> 1029
Question 45. The internal resistance of a 20,000 ohm/volt voltmeter set on its 5 V range is
  1.    100000
  2.    200000
  3.    1000000
  4.    20000
 Discuss Question
Answer: Option A. -> 100000
Question 46. Two 1.2 k resistors are in series and this series combination is in parallel with a 3.3 k resistor. The total resistance is
  1.    138
  2.    5700
  3.    880
  4.    1389
 Discuss Question
Answer: Option D. -> 1389
Question 47. A voltage divider consists of two 100 k resistors and a 12 V source. What will the output voltage be if a load resistor of 1 M is connected to the output?
  1.    5.7 V
  2.    6 V
  3.    0.57 V
  4.    12 V
 Discuss Question
Answer: Option A. -> 5.7 V
Question 48. The output of a certain voltage divider is 12 V with no load. When a load is connected, the output voltage
  1.    remains the same
  2.    increases
  3.    becomes zero
  4.    decreases
 Discuss Question
Answer: Option D. -> decreases
Question 49. The parallel combination of a 470 resistor and a 1.2 k resistor is in series with the parallel combination of three 3 k resistors. A 200 V source is connected across the circuit. The resistor with the most current has a value of
  1.    1.2 k
  2.    3 k
  3.    470 or 1.2 k
  4.    470
 Discuss Question
Answer: Option D. -> 470
Question 50. A voltage divider consists of two 68 k resistors and a 24 V source. The unknown output voltage is
  1.    6 V
  2.    0 V
  3.    24 V
  4.    12 V
 Discuss Question
Answer: Option D. -> 12 V

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