Which of the following correctly expresses the angular frequency of an alternating…

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

Problem

Which of the following correctly expresses the angular frequency

\omega

of an alternating current in terms of its frequency

f

? (a)

\omega = 2f

(b)

\omega = \dfrac{2\pi}{f}

(c)

\omega = 2\pi f

(d)

\omega = \dfrac{f}{2\pi}