Series Circuits(Electrical Engineering ) Questions and Answers

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
Explanation:-
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
Explanation:-
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
Explanation:-
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
Explanation:-
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
Explanation:-
Answer: Option C. -> 32.6 mA
Question 6. 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
Explanation:-
Answer: Option A. -> 9,600 Ω
Question 7. A short in a series circuit prevents current.
  1.    True
  2.    False
Explanation:-
Answer: Option B. -> False
Question 8. If you know the current anywhere in a series circuit, you know the current everywhere in a series circuit.
  1.    True
  2.    False
Explanation:-
Answer: Option A. -> True
Question 9. 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
Explanation:-
Answer: Option D. -> At any point in the circuit
Question 10. 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
Explanation:-
Answer: Option A. -> The 12 kΩ
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