Parallel Circuits Questions and Answers
Parallel Circuits play a vital role in understanding how electrical components share voltage and current in electronic systems. For exams like GATE, ISRO, SSC JE, and other engineering entrance tests, aptitude questions and answers based on parallel circuits are frequently asked. In such circuits, resistors, capacitors, or inductors are connected so that each component gets the same voltage. This makes the concept critical for analyzing real-life networks and troubleshooting electrical designs. Our Parallel Circuits questions with answers section provides solved examples, circuit analysis problems, and shortcuts to quickly calculate equivalent resistance or total current. Practice these to improve your problem-solving speed in aptitude test practice online modules.
Parallel Circuits
11. A parallel circuit is also used as a divider for:
- conductance
- voltage
- power
- current
12. What is RT for a 12 k, a 4 k, and a 3 k resistor in parallel?
- 1.5 k
- 2 k
- 6.3 k
- 19 k
13. What is the total resistance of four 1 k parallel-connected resistors?
- 200 ohms
- 250 ohms
- 400 ohms
- 4 kilohms
14. Which are the better test devices used to isolate a suspected open component within a parallel circuit?
- a voltmeter or an ohmmeter
- neither an ammeter nor a voltmeter
- a wattmeter or a voltmeter
- an ammeter or an ohmmeter
15. Which is considered to be the common reference for a parallel circuit?
- Voltage
- Current
- Power
- Resistance
16. After which time constant can a capacitor be considered to be fully charged?
- first
- third
- fifth
- seventh
17. You could increase the time constant of an RC circuit by
- adding a resistor in parallel with the circuit resistance
- adding a capacitor in parallel with the circuit capacitance
- increasing the amplitude of the input voltage
- exchanging the position of the resistor and capacitor in the circuit
18. A capacitor's rate of charge is considered:
- magnetic
- a current block
- exponential
19. A resistor and an output capacitor form a series circuit with a square wave applied. The circuit is:
- an integrator
- a differentiator
- a multiplier
- a divider
20. If an open capacitor is checked with an ohmmeter, the needle will:
- stay on zero
- stay on infinity
- move from zero to infinity
- move from infinity to zero