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**Capacitive Reactance (Xc) – Definition**

When capacitor offers resistance or opposition on the way of alternating current (AC) during charging and discharge which react is called Capacitive Reactance. The symbol of capacitive reactance is Xc. It can be measured in Ohm.

__Course Content__:

__Course Content__

- Introduction
- AC in Capacitive Circuit
- Capacitive Reactance (XC) Formula
- Series or Parallel Capacitive Reactances
- Capacitive Reactance Applications

**Read More: MCQs on Capacitors Types (Questions and Answers)**

**MCQs on ****Capacitive Reactance (Questions and Answers)**

**Q1. The reactance / opposition of any capacitor for the flow of AC current is called___________****.**

- Resistance
- Inductance
- Capacitance
- Capacitive Reactance

**Answer:** **d**

**Q2. The symbol of capacitor reactance is C _{x}. True / False**

**Answer:** **False ( X _{C })**

**Q3. The unit of Capacitive Reactance is ____________.**

- farad
- henry
- ohm
- ampere

**Answer:** **c**

**Q4. The formula to calculate the capacitive current is I_{C} = C dv/dt **

**.**

**True / False**

**Answer: True**

**Q5. Series capacitive reactance formula is __________.**

- X
_{Ceq}= X_{C1 }+ X_{C2 }+ X_{C3 …} - X
_{Ceq}= 1/X_{C1 }+ 1/X_{C2 }+ 1/X_{C3 …}

**Answer:** **a**

**Q6. ****X _{C}**

**is inversely promotional to the frequency.**

**True / False**

**Answer: True**

**Q7. When the frequency is increased then what will be the capacitive reactance?**

- increased
- same
- decreased
- infinity

**Answer:** **c**

**Q8. If the capacitive reactance decreases then the capacitance will be increased**. **True / False**

**Answer: True**

**Q9. The value of π is _____________.**

- 24/7
- 22/7
- 3.14
- b & c are correct

**Answer:** **d**

**Q10. What is the formula to calculate the capacitive reactance.**

- X
_{C}= 2πfc - X
_{C}= XL/2πfc - X
_{C}= 2π/fc - X
_{C}= 1/2πfc

**Answer:** **d**

**Q11. In the capacitive circuit, what will be the formula of Ohm’s Law ?**

- V
_{C}= I_{C}× C - X
_{C}= V_{C}/ I_{C} - V
_{C}= I_{C}× X_{C} - b & c are correct

**Answer:** **d**

**Q12. Capacitor block (Not to pass) DC steady voltages inside it. True / False**

**Answer: True**