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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.
- 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___________.
- Capacitive Reactance
Q2. The symbol of capacitor reactance is Cx. True / False
Answer: False ( XC )
Q3. The unit of Capacitive Reactance is ____________.
Q4. The formula to calculate the capacitive current is IC = C dv/dt . True / False
Q5. Series capacitive reactance formula is __________.
- XCeq = XC1 + XC2 + XC3 …
- XCeq = 1/XC1 + 1/XC2 + 1/XC3 …
Q6. XC is inversely promotional to the frequency. True / False
Q7. When the frequency is increased then what will be the capacitive reactance?
Q8. If the capacitive reactance decreases then the capacitance will be increased. True / False
Q9. The value of π is _____________.
- b & c are correct
Q10. What is the formula to calculate the capacitive reactance.
- XC = 2πfc
- XC = XL/2πfc
- XC = 2π/fc
- XC = 1/2πfc
Q11. In the capacitive circuit, what will be the formula of Ohm’s Law ?
- VC = IC × C
- XC = VC / IC
- VC = IC × XC
- b & c are correct
Q12. Capacitor block (Not to pass) DC steady voltages inside it. True / False