The image shows a plot of a waveform with a red line in the middle, indicating the frequency of the waveform.
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The image shows a plot of a waveform with a red line in the middle, indicating the frequency of the waveform. The graph is composed of a series of points connected by a line, with the x-axis representing the frequency and the y-axis indicating the current. The line is colored in shades of blue, green, and red, indicating a range of frequencies.