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The sinusoidal voltage source in the circuit shown in Fig. is developing an rms voltage of 2000 V. The 4 ? load in the circuit is absorbing four times as much average power as the 25? load. The two loads are matched to the sinusoidal source that has an internal impedance of 500?.
a) Specify the numerical values of a1 and a2.
b) Calculate the values of I1, I2 and I3
c) Calculate the power delivered to the 25 ? and the 4 ? resistors.
d) Calculate the rms value of the voltage across the 25 ? and the 4 ? resistors.
1. Find the Nyquist rate for the following signals: (a) x(t) = 5 sin 3000Πt cos 4000Πt (b) A binary channel with bit rate 36000 bps is available for PCM voice transmission.
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