The voltage of an electromagnetic wave traveling on a transmission line is given by
v(z, t)=3e−αz sin(2π × 109t − 10π z) (V)
where z is the distance in meters from the generator.
(a) Find the frequency, wavelength, and phase velocity of the wave.
(b) At z = 2 m, the amplitude of the wave was measured to be 1 V. Find α.
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