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MCQs

Total Questions : 162 | Page 1 of 17 pages
Question 1. All the voltage drops and the source voltage added together in a series circuit is equal to
  1.    The total of the voltage drops
  2.    The source voltage
  3.    Zero
  4.    The total of the source voltage and the voltage drops
 Discuss Question
Answer: Option C. -> Zero
Question 2. ‘Series aiding’ is a term sometimes used to describe voltage sources of the same polarity in series.
  1.    True
  2.    False
 Discuss Question
Answer: Option A. -> True
Question 3. Four equal-value resistors are in series with a 12 V battery and 13.63 mA are measured. The value of each resistor is
  1.    22 Ω
  2.    220 Ω
  3.    880 Ω
  4.    88 Ω
 Discuss Question
Answer: Option B. -> 220 Ω
Question 4. A series circuit consists of three resistors with values of 120 Ω, 270 Ω, and 330 Ω. The total resistance is
  1.    Less than 120 Ω
  2.    The average of the values
  3.    720 Ω
  4.    120 Ω
 Discuss Question
Answer: Option C. -> 720 Ω
Question 5. A 12 V battery is connected across a series combination of 68 Ω, 47 Ω, 220 Ω, and 33 Ω. The amount of current is
  1.    326 mA
  2.    16.3 mA
  3.    32.6 mA
  4.    163 mA
 Discuss Question
Answer: Option C. -> 32.6 mA
Question 6. Two resistors are in series: a 5.6 kΩ resistor and a 4.7 kΩ resistor. The voltage drop across the 5.6 kΩ resistor is 10 V. The voltage across the 4.7 kΩ resistor is
  1.    8.39 V
  2.    10 V
  3.    2.32 V
  4.    0 V
 Discuss Question
Answer: Option A. -> 8.39 V
Question 7. The total power in a certain circuit is 12 W. Each of the four equal-value series resistors making up the circuit dissipates
  1.    12 W
  2.    48 W
  3.    3 W
  4.    8 W
 Discuss Question
Answer: Option C. -> 3 W
Question 8. Five resistors are connected in a series and there is a current of 3 A into the first resistor. The amount of current into the second resistor is
  1.    3 A
  2.    1 A
  3.    4 A
  4.    0.3 A
 Discuss Question
Answer: Option A. -> 3 A
Question 9. The total resistance of a series circuit is equal to the difference between the largest and smallest value resistors.
  1.    True
  2.    False
 Discuss Question
Answer: Option B. -> False
Question 10. There are five resistors in a given series circuit and each resistor has 6 V dropped across it. The source voltage is
  1.    6 V
  2.    Depends on the current flow
  3.    Depends on the resistor values
  4.    30 V
 Discuss Question
Answer: Option D. -> 30 V

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