Calculate the minimum sampling frequency, Electrical Engineering

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Three sine waves along with frequencies 100Hz, 200Hz and 350Hz and with amplitudes of 1V, 2V and 1.5V correspondingly, are added together to make a single waveform. What is the minimum sampling frequency which will make possible the satisfactory reconstruction of the original signal?

A)  750Hz

B)  650Hz

C)  1050Hz

D)  400Hz


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