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What is a filter?(a) Frequency selective circuit(b) Amplitude selective circuit(c) Frequency damping circuit(d) Amplitude damping circuitThe question was posed to me in quiz.The question is from Filters in chapter Fundamentals of Electronics of Avionics |
Answer» RIGHT option is (a) Frequency selective circuit Easy EXPLANATION: A filter is a frequency-selective circuit. Filters are designed to PASS some frequencies and reject others. Filters are used to REDUCE NOISE and increase selectivity. |
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