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Q. |
Calculate the phase angle of the sinusoidal waveform z(t)=78sin(456πt+2π÷78). |
A. | π÷39 |
B. | 2π÷5 |
C. | π÷74 |
D. | 2π÷4 |
Answer» A. π÷39 | |
Explanation: sinusoidal waveform is generally expressed in the form of v=vmsin(ωt+α) where vm represents peak value, ω represents angular frequency, α represents a phase difference. |
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