Series Circuits Multiple Choice Questions - Set 01

Practice Test: Question Set - 01

1. There are five resistors in a given series circuit and each resistor has 6 V dropped across it. The source voltage is
    (A) 6 V
    (B) Depends on the current flow
    (C) Depends on the resistor values
    (D) 30 V

2. To measure the current out of the second resistor in a circuit consisting of four resistors, an ammeter can be placed
    (A) Between the second and third resistors
    (B) At the negative terminal of the source
    (C) Between the third and fourth resistors
    (D) At any point in the circuit

3. The voltage at one point in a circuit is always measured relative to another point.
    (A) True
    (B) False

4. 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
    (A) 9,600 Ω
    (B) 960 Ω
    (C) 1.2 kΩ
    (D) Cannot be determined

5. If you know the current anywhere in a series circuit, you know the current everywhere in a series circuit.
    (A) True
    (B) False

6. The total resistance of a circuit is 680 Ω. The percentage of the total voltage appearing across a 47 Ω resistor that makes up part of the total series resistance is
    (A) 68 %
    (B) 47 %
    (C) 69 %
    (D) 6.91 %

7. The sum of all the voltage drops around a single closed loop in a circuit is zero.
    (A) True
    (B) False

8. All the voltage drops and the source voltage added together in a series circuit is equal to
    (A) The total of the voltage drops
    (B) The source voltage
    (C) Zero
    (D) The total of the source voltage and the voltage drops

9. The total power in a certain circuit is 12 W. Each of the four equal-value series resistors making up the circuit dissipates
    (A) 12 W
    (B) 48 W
    (C) 3 W
    (D) 8 W

10. 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
    (A) 27 mA
    (B) 2.7 mA
    (C) 19 mA
    (D) 190 mA

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