Which one of the following expressions gives the capacitive reactance of a capacitor…

PHYSICS · Single correct · CBSE · Physics · Alternating Current · Alternating Current

Problem

Which one of the following expressions gives the capacitive reactance

X_C

of a capacitor of capacitance

C

connected to an alternating source of frequency

f

? (a)

X_C = 2\pi f C

(b)

X_C = \dfrac{1}{f C}

(c)

X_C = \dfrac{1}{2\pi f C}

(d)

X_C = \dfrac{2\pi f}{C}