Figure P.7.42 depicts an electric field in time and the Fourier components that compose it. The units
Question:
(a) Explain why the series contains both sine and cosine terms.
(b) Why does the series contain harmonic terms having arguments with odd and even multiples of Ït?
(c) What is the value of the DC term?
(d) What is the value of A0?
(e) What is the value of the period of E(t)?
Figure P.7.42
Transcribed Image Text:
1 =–+ sin wt + 3 1 sin 2wt + -sin 3wt 6. 1 cos 2wt + 6. E(t) (a) 1.2 E(t) 0.8 0.4 Time 1 2 3 4 5 6 7/8 9 10 15 -0.4 -0.8 (b) 1.2 0.8 0.4 Time -0.4 10 15 -0.8 Electric field Electric field
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