5. Consider the sinusoidal voltage v=170 cos(120πt -60° )V.
(a) what is the masimum amplitude of the voltage?
(b) what is the frequency in hertz?
(c) what is the frequency in radians per second?
(d) what is the phase angle in radians?
(e) what is the phase angle n degrees?
(f) what is the period in milliseconds?
(g) what is the first time after t=0 that v=17OV?
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H. 5. Consider the sinusoidal voltage v=170 cos(120nt-60° )V. (a) what is the masimum amplitude of the voltage? (b) what is the frequency in hertz? (c) what is the frequency in radians per second? (d) what is the phase angle in radians? (e) what is the phase angle n degrees? (f) what is the period in milliseconds? (g) what is the first time after t=0 that 1=170V? ?
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