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MCQs

Total Questions : 162 | Page 2 of 17 pages
Question 11. A series circuit consists of three resistors. Two resistors are 1.2 kΩ each. The total resistance is 12 kΩ. The value of the third resistor is
  1.    9,600 Ω
  2.    960 Ω
  3.    1.2 kΩ
  4.    Cannot be determined
 Discuss Question
Answer: Option A. -> 9,600 Ω
Question 12. If you know the current anywhere in a series circuit, you know the current everywhere in a series circuit.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True
Question 13. A short in a series circuit prevents current.
  1.    True
  2.    False
 Discuss Question
Answer: Option B. -> False
Question 14. To measure the current out of the second resistor in a circuit consisting of four resistors, an ammeter can be placed
  1.    Between the second and third resistors
  2.    At the negative terminal of the source
  3.    Between the third and fourth resistors
  4.    At any point in the circuit
 Discuss Question
Answer: Option D. -> At any point in the circuit
Question 15. A series circuit consists of a 4.7 kΩ, a 12 kΩ, and a 2.2 kΩ resistor. The resistor that has the most voltage drop is
  1.    The 12 kΩ
  2.    The 2.2 kΩ
  3.    The 4.7 kΩ
  4.    Impossible to determine from the given information
 Discuss Question
Answer: Option A. -> The 12 kΩ
Question 16. The sum of all the voltage drops around a single closed loop in a circuit is zero.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True
Question 17. When one of three series resistors is removed from a circuit and the circuit is reconnected, the current
  1.    Increases
  2.    Increases by one-third
  3.    Decreases by one-third
  4.    Decreases by the amount of current through the removed resistor
 Discuss Question
Answer: Option A. -> Increases
Question 18. Three 680 Ω resistors are connected in series with a 470 V source. Current in the circuit is
  1.    69 mA
  2.    230 mA
  3.    23 mA
  4.    690 mA
 Discuss Question
Answer: Option B. -> 230 mA
Question 19. A certain series circuit consists of a 1/8 W resistor, a 1/4 W resistor, and a 1/2 W resistor. The total resistance is 1200 Ω. If each resistor is operating in the circuit at its maximum power dissipation, total current flow is
  1.    27 mA
  2.    2.7 mA
  3.    19 mA
  4.    190 mA
 Discuss Question
Answer: Option A. -> 27 mA
Question 20. The term 'series opposing' means that sources are in series with opposite polarities.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True

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