An analog signal with a frequency of 3 kHz is sampled using a sampling rate of 8

Question

An analog signal with a frequency of 3 kHz is sampled using a sampling rate of 8 kHz. Which one of the following is true? Sampling condition is violated and there is no frequency between 0 kHz and Nyquist limit (4 kHz). Sampling condition is violated and there is a 1 kHz frequency between 0 kHz and Nyquist limit (4 kHz). Sampling condition is not violated and there is a 3 kHz frequency between 0 kHz and Nyquist limit (4 kHz). Sampling condition is not violated and there is no frequency between 0 kHz and Nyquist limit (4 kHz).

Explanation / Answer

Nyquist limit=sampling rate/2=8 KHz/2 = 4 KHz Sampling condition is not violated and there is a 3 kHz frequency between 0 kHz and Nyquist limit (4 kHz)

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