812 Given a sinusoid v1t whose phasor is V1 = 4 j 3 V, use phasor

8–12 Given a sinusoid v1ðtÞ whose phasor is V1 = 4 – j 3 V, use phasor methods to find a voltage v2ðtÞ that lags v1ðtÞ by 90

and has an amplitude of 10 V.