The cutoff frequency of filter depends upon the value of capacitor and resistance. Therefore, below cutoff frequency or above this frequency, capacitor allow to pass all other frequencies.

The cutoff frequency of filter depends upon the value of capacitor and resistance. Therefore, below cutoff frequency or above this frequency, capacitor allow to pass all other frequencies.

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A: It is a standard statement to signify that the amplitude is one half.

ANSWERED MY MUHAMMAD WALEED SHAIKH

first of all we have to know that about band,so band is range of frequency which we have selected for example:we have a low pas filter it frequency always started from initial or 0 HZ upto cutoff frequency and here remember that cutoff frequency we will have to select after cutoff signal is rapidly down now about band rate so your signal is band at certain rate is called band rate.