An inductor shows an inductive reactance of at

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

An inductor shows an inductive reactance of

314\,\Omega

100\,\text{Hz}

. If the same inductor is connected to a

250\,\text{Hz}

supply, calculate its new reactance

X_L

. (a)

392\,\Omega

(b)

785\,\Omega

(c)

628\,\Omega

(d)

157\,\Omega