In a circuit containing only an ideal capacitor

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

Problem

In a circuit containing only an ideal capacitor, the current

I

and the voltage

V

have which of the following phase relationships? (a)

I

lags

V

90^{\circ}

(b)

I

is in phase with

V

(c)

I

leads

V

90^{\circ}

(d)

I

leads

V

45^{\circ}