An alternating voltage is represented by

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

Problem

v(t)=110\sqrt2\,\sin(100\pi t+30^{\circ})\,\text{V}

, where

t

is in seconds. Determine the instantaneous voltage at

t=2.0\,\text{ms}

. (a)

1.0\times10^{2}\,\text{V}

(b)

1.7\times10^{2}\,\text{V}

(c)

1.4\times10^{2}\,\text{V}

(d)

7.9\times10^{1}\,\text{V}