Objective Questions on Series and Parallel Circuits

Practice Test: Question Set - 03


1. A certain voltage divider consists of two 12 kΩ resistors in series. Which of the following load resistors will have the most effect on the output voltage?
    (A) 1 MΩ
    (B) 24 kΩ
    (C) 18 kΩ
    (D) 12 kΩ

2. Three 10 kΩ resistors are connected in series. A 20 kΩ resistor is connected in parallel across one of the 10 kΩ resistors. The voltage source is 24 V. The total current in the circuit is
    (A) 900 μA
    (B) 9 mA
    (C) 90 mA
    (D) 800 μA

3. A Wheatstone bridge is often shown in a "diamond" configuration.
    (A) True
    (B) False

4. A Wheatstone bridge consists of four resistors in parallel.
    (A) True
    (B) False

5. The internal resistance of a 30,000 ohm/volt voltmeter set on its 50 V range is
    (A) 15,000 Ω
    (B) 150,000 Ω
    (C) 1,500,000 Ω
    (D) 15,000,000 Ω

6. The parallel combination of a 6.8 kΩ resistor and a 10 kΩ resistor is in series with the parallel combination of a 2.2 kΩ resistor and a 1 kΩ resistor. A 100 V source is connected across the circuit. The resistor(s) with the greatest voltage drop is (are)
    (A) 6.8 kΩ
    (B) 2.2 kΩ
    (C) 6.8 kΩ and 10 kΩ
    (D) 2.2 kΩ and 1 kΩ

7. A resistor ladder network is a special type of series-parallel circuit.
    (A) True
    (B) False

8. A 6 V battery output is divided down to obtain two output voltages. Three 2.2 kΩ resistors are used to provide the two taps. The two output voltages are
    (A) 2 V, 4 V
    (B) 2 V, 2 V
    (C) 2 V, 6 V
    (D) 4 V, 6 V

9. A balanced Wheatstone bridge consists of an RV of 3,500 Ω, an R2 of 200 Ω, and an R3 of 680 Ω. The value of RUNK is
    (A) 680 Ω
    (B) 1,029 Ω
    (C) 200 Ω
    (D) 880 Ω

10. Two equal-value resistors in series will divide the source voltage equally.
    (A) True
    (B) False

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Item Reviewed: Objective Questions on Series and Parallel Circuits Rating: 5 Reviewed By: Pranab Debnath
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