Series-Parallel Circuits Questions and Answers
Series-Parallel Circuits questions with answers are frequently asked in electronics aptitude questions and answers for exams like GATE, SSC JE, and RRB JE. This topic covers the analysis of mixed circuit configurations where resistors, capacitors, or inductors are connected in both series and parallel combinations. Understanding equivalent resistance, current division, and voltage distribution is essential for solving circuit-based numerical problems accurately. In this guide, you’ll find practice questions with explanations to strengthen your conceptual understanding and problem-solving speed for competitive electronics exams.
Series-Parallel Circuits
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24 questions
1. What theorem replaces a complex network with an equivalent circuit containing a source voltage and a series resistance?
- Multinetwork
- Norton
- Thevenin
- Superposition
2. In a series–parallel circuit, individual component power dissipations are calculated using:
- individual component parameters
- a percent of the voltage division ratio squared
- total current squared multiplied by the resistor values
- a percent of the total power depending on resistor ratios
3. The current flowing through an unloaded voltage divider is called the:
- resistor current
- load current
- bleeder current
- voltage current
4. When a Wheatstone bridge is in a balanced condition, the center voltmeter in the bridge will read:
- twice the source voltage
- the same as the source voltage
- zero volts
- half the source voltage
5. When a load is connected to a voltage divider, the total resistance of the circuit will:
- decrease
- double
- increase
- remain the same
6. When placed into a circuit, how are electronic components usually connected?
- positive terminal to positive terminal
- in parallel
- as a combination of series and parallel
- in series
7. If a Wheatstone bridge is balanced, a voltmeter in the center of the bridge will read:
- the same as the source voltage
- half the source voltage
- zero volts
- twice the source voltage
8. The first goal to accomplish in analyzing a complex series-parallel circuit is to
- equate all parallel components
- equate all series components
- solve for all the voltage drops
- solve for the total current and resistance
9. If R1 is in series with parallel connected to R2 and R3, what happens to total current if R2 opens?
- increases
- decreases
- remains the same
- cannot tell
10. The first goal(s) to accomplish in analyzing a complex series–parallel circuit is to:
- equate all parallel components
- equate all series components
- solve for all the voltage drops
- solve for the total current and resistance