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In a simple low-pass RC filter, attenuation is – 3 dB at fc. At 2 fc , attenuation is – 6 dB. At 10 f c, the attenuation would be .... dB. (a) – 30 (b) – 20 (c) – 18 (d) – 12 |
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Answer» Correct option (b) – 20 |
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