Chapter 15 Alternating Current
Chapter 15 Alternating Current
Chapter 15 Alternating Current
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Relationship between ,T, and f<br />
One cycle of a sine wave may be<br />
represented by = 2 rads or t = T sec<br />
T<br />
t<br />
2<br />
2<br />
T<br />
2 f<br />
19<br />
Voltages and <strong>Current</strong>s as<br />
Functions of Time<br />
Since = t, the equation e = E m sin<br />
becomes e(t) = E m sin t<br />
Also, v(t) = V m sin t and i(t) = I m sin t<br />
20<br />
10
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