v (t) = 12 sin (913t + 71°) volts. Find (a) angular frequency in radians per second, (b) frequency in Hz, (c) period, (d) maximum voltage, (e) minimum voltage, (f) Peak-to-Peak voltage, (g) rms voltage, (h) average voltage, (i) voltage expressed as a phasor, (j) the average power consumed by a 220 ohm resistor having this voltage, and (k) the voltage at t = 3ms

v (t) = 12 sin (913t + 71°) volts

a) 913° = (π / 180) x 913 radians

= 15.92 radians

a) angular frequency ω = 15.92 radians / s

b) ω = 2πn

n = ω / 2π

= 15.92 / 2 x 3.14

= 2.53 Hz

c) Period = 1 / n

= 1 / 2.53 =.4 s.

d)

Maximum voltage = 12 volt

e) Minimum volts = - 12 volts

g) rms volts = V / √2

= 12 / √2

= 8.48 V

h)

Average voltage = 0

j) Average power

Vrms² / R

= 12 x 12 / 2 x 220

=.327 W.

k)

v (t) = 12 sin (913t + 71°)

v (t) = 12 sin (913x. 003 + 71°)

= 12 sin (73.7°)

= 11.5 V.