As we know that combination of circuits as series or parallel is the most important part of study to understand the basic concept of how exactly current flows in a parallel Electronics circuit because every PCB (**Printed Circuit Board**) contains bunch of tracks. I am providing you Multiple Choice Questions and Answers (**MCQs)** on parallel circuits with answer key as definitive guide in the form of short **Quiz** with the aim to facilitate the students, technicians and teachers of different technical fields throughout the world.

**Read More: MCQs Questions and Answers on Series Circuit**

__Parallel Circuit – Definition__

__Parallel Circuit – Definition__

In a parallel circuit, the components are connected in such a way that the current flows through the branches that means current is same in all the branches of components.

**Parallel Circuit MCQs (Questions and Answers)**

**Q1. A circuit in which current divided in separate path or branches is called ______________.**

- Series Circuit
- Series Parallel Circuit
- Parallel Circuit
- all are correct

**Answer: c**

**Q2. A common use of Parallel circuit is home wiring. True/False**

**Answer: True**

**Q3. Kirchhoff’s current law (KCL) applies for any number of _______ branches.**

- Series
- Series Parallel
- Parallel
- ab c are correct

**Answer: c**

**Q4. In the parallel circuit, total resistance is increase when more resistance are added. True/False**

**Answer: False **

**Q5.** **In a _________circuit, voltage is common across all components.**

- Series
- Parallel
- String
- a & c are correct

**Answer: b**

**Q6. A parallel circuit consists of two or more components connected in ____________.**

- Series
- Parallel
- Series Parallel
- All are wrong

**Answer: b**

**Q7. The reciprocal of resistance is ___________________.**

- Conductance
- Inductance
- Capacitance
- a & b are correct

**Answer: a **

**Q8. The standard unit of conductance is Siemen**. **True/False**

**Answer: True**

**Q9. In a Parallel circuit, the branch of lowest resistance has ___________ current.**

- More
- Least

**Answer: a**

**Q10. ****__________ states that the sum of all individual currents in a parallel circuit equals to the total current of main line.**

- Ohm’s Law
- Kirchhoff’s voltage law (KVL)
- Kirchhoff’s current law (KCL)
- b & c are correct

**Answer: c**

**Q11. The formula of Total Parallel Resistance is _________________**

- R
**total**= R**1****×**R**2**/ R**1**+ R**2** - 1 / R
**total**= 1 / R**1**+ 1 / R**2** - R
**total**= R**1**+ R**2** - a & b are correct

**Answer: d**

**Q12. ****In the parallel circuit, the individual current in any branch is equal to the total current. **** True/False**

**Answer: False **

**Q13. The total resistance R of a _________ circuit is equal to the algebraic sum of inverses of the individual resistances.**

- Parallel Circuit
- Series Circuit
- Series Parallel Circuit
- all are correct

**Answer: a**

**Q14. In a parallel circuit, the smallest branch resistance will always dissipate the most power. ****True/False**

**Answer: True**

**Q15. If one branch of parallel circuit is open then all the other branches have same current. True/False**

**Answer: True**

**Q16. When one branch of parallel circuit is short then current in other branches is _______________.**

- Maximum
- Zero
- Low
- Infinite

**Answer: b**

**Q17. A combination of parallel branches is often called a ____________.**

- String
- Bank
- Joint
- a & b are correct

**Answer: b**

**Q18. ****How can we find the total resistance in a parallel circuit ?**

- Ohm’s Law
- KCL
- KVL
- All are incorrect

**Answer: a**

**Q19. How to find unknown branch resistance in any parallel circuit.**

- R
**x**= R**×**R**eq /**R**–**R**eq** - R
**x**= R**1**+ R**2** - R
**x**= 1 / R**1****×**R**2** - all are incorrect

**Answer: a**

**Q20. The total power in a parallel circuit is the _____________ of individual powers.**

- Sum
- Minus
- Divide
- Multiply

**Answer: a **

**Q21. At the incident of short circuit, which component protects the circuit?**

- Resonant Circuit
- Filter
- Fuse
- a & b are correct

**Answer: b**

**Q22. In a Parallel Circuit , a short circuit has practically zero resistance****. True/False**

**Answer: True **

**Q23. At the incident of short circuit, which component protects the circuit?**

- Resonant Circuit
- Filter
- Fuse
- a & b are correct

**Answer: b**