1. A sinusoidal waveform is described by the equation:
v(t) = 20V sin(120pit)
pi = 3.1416
What is the value of the frequency?
2. A sinusoidal waveform is described by the equation:
v(t) = 20V sin(120?t)
What is the value of the period?
3. A sinusoidal waveform is described by the equation:
v(t) = 20V sin(120?t)
What is the value of the instantaneous voltage at a time t = 1.4 ms?