Lakshya Education MCQs

Question: 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
Options:
A.8.39 V
B.10 V
C.2.32 V
D.0 V
Answer: Option A

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Question 1. 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
Answer: Option C
Question 2. 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
Answer: Option A
Question 3. The total resistance of a series circuit is equal to the difference between the largest and smallest value resistors.
  1.    True
  2.    False
Answer: Option B
Question 4. 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
Answer: Option C
Question 5. 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
Answer: Option C
Question 6. 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
Answer: Option B

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