{"id":161087,"date":"2023-10-09T15:32:45","date_gmt":"2023-10-09T10:02:45","guid":{"rendered":"https:\/\/www.gkseries.com\/blog\/?p=161087"},"modified":"2023-10-09T15:32:48","modified_gmt":"2023-10-09T10:02:48","slug":"an-ideal-square-wave-with-period-of-20-ms-shown-in-the-figure-is-passed-through-an-ideal-low","status":"publish","type":"post","link":"https:\/\/www.gkseries.com\/blog\/an-ideal-square-wave-with-period-of-20-ms-shown-in-the-figure-is-passed-through-an-ideal-low\/","title":{"rendered":"An ideal square wave with period of 20 ms shown in the figure, is passed through an ideal low"},"content":{"rendered":"\n<p>Q. An ideal square wave with period of 20 ms shown in the figure, is passed through an ideal low pass filter with cut-off frequency 120 Hz. Which of the following is an accurate description of the output?<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2023\/10\/image-18.png\" alt=\"\" class=\"wp-image-161088\" style=\"width:477px;height:144px\" width=\"477\" height=\"144\" srcset=\"https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2023\/10\/image-18.png 806w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2023\/10\/image-18-300x91.png 300w, https:\/\/www.gkseries.com\/blog\/wp-content\/uploads\/2023\/10\/image-18-768x232.png 768w\" sizes=\"(max-width: 477px) 100vw, 477px\" \/><\/figure>\n\n\n\n<p>A. Output is zero.<\/p>\n\n\n\n<p>B. <span style=\"font-size: inherit; background-color: var(--base-3); color: var(--contrast);\">Output consists of both 50 Hz and 100 Hz frequency components.<\/span><\/p>\n\n\n\n<p>C. <span style=\"font-size: inherit; background-color: var(--base-3); color: var(--contrast);\">Output is a pure sinusoid of frequency 50 Hz.<\/span><\/p>\n\n\n\n<p>D. Output is a square wave of fundamental frequency 50 Hz.<\/p>\n\n\n\n<p>Ans: Output is a pure sinusoid of frequency 50 Hz<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Q. An ideal square wave with period of 20 ms shown in the figure, is passed through an ideal low pass filter with cut-off frequency 120 Hz. Which of the following is an accurate description of the output? A. Output is zero. B. Output consists of both 50 Hz and 100 Hz frequency components. C. 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