Question

Reactance of a capacitor of capacitance `CmuF` for ac frequency `400/pi Hz` is `25 Omega` . The value C is
A. `25 mu F`
B. `75 mu F`
C. `100 mu F`
D. `50 mu F`

Answer 1

Correct Answer - D
`X_(C) = 1/(2 pi fC) :. C = 1/(2 pi fX_(C))= 50 mu F`.