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MCQs

Total Questions : 162 | Page 15 of 17 pages
Question 141. . Which equation determines individual resistor voltage drop?
  1.    V x R
  2.    I2 x R
  3.    V x I
  4.    I x R
 Discuss Question
Answer: Option D. -> I x R
Question 142. . What determines the total resistance in a series circuit?
  1.    the largest resistor
  2.    the sum of the resistors
  3.    the largest resistor minus the smaller
  4.    the smallest resistor
 Discuss Question
Answer: Option B. -> the sum of the resistors
Question 143. . When a battery is connected to a series circuit, it delivers current based only upon:
  1.    primary/secondary difference
  2.    total resistance
  3.    the polarity connections
  4.    average resistance
 Discuss Question
Answer: Option B. -> total resistance
Question 144. . If two resistors have the same voltage drop in a series circuit, it means:
  1.    they are connected in parallel
  2.    they are of unequal value
  3.    the voltage has doubled
  4.    they are of equal value
 Discuss Question
Answer: Option D. -> they are of equal value
Question 145. . If series resistors dissipate 16 mW, 107 mW, 146 mW, and 243 mW, what is the total power consumed by the circuit?
  1.    128 mW
  2.    269 mW
  3.    512 mW
  4.    1024 mW
 Discuss Question
Answer: Option C. -> 512 mW
Question 146. . If a 3.9 komega.gif, a 7.5 komega.gif, and a 5.6 komega.gif resistor are connected in series with a 34 V source, the voltage dropped across the 7.5 komega.gif resistor equals _____.
  1.    34 V
  2.    15 V
  3.    7.8 V
  4.    11.2 V
 Discuss Question
Answer: Option B. -> 15 V
Question 147. . With a 900 V source, voltage is divided across 3 series resistors of 300 V, 280 V, and:
  1.    30 V
  2.    270 V
  3.    320 V
  4.    900 V
 Discuss Question
Answer: Option C. -> 320 V
Question 148. . If a 220 omega.gif, a 100 omega.gif, and a 180 omega.gif resistor are connected in series across a 12 V source, the circuit current equals ___.
  1.    41.67 A
  2.    120 mA
  3.    500 A
  4.    24 mA
 Discuss Question
Answer: Option D. -> 24 mA
Question 149. . A series circuit schematic is recognized because all the components are connected:
  1.    diagonally across the page
  2.    in a uniform vertical manner
  3.    end to end in a "string"
  4.    horizontally across the page
 Discuss Question
Answer: Option C. -> end to end in a "string"
Question 150. . The ______ determines whether connected resistors are in series, parallel, or series-parallel?
  1.    current flow
  2.    power source
  3.    voltage flow
  4.    wattage source
 Discuss Question
Answer: Option A. -> current flow

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