A bandpass filter rejects direct current.(a) True(b) FalseI had been asked this question in an online interview.I would like to ask this question from Communication Systems in division Communication Systems of Physics – Class 12

A bandpass filter rejects direct current.(a) True(b) FalseI had been a

1.	A bandpass filter rejects direct current.(a) True(b) FalseI had been asked this question in an online interview.I would like to ask this question from Communication Systems in division Communication Systems of Physics – Class 12
Answer» The correct OPTION is (a) TRUE To elaborate: Yes, this is a true statement. A bandpass filter rejects low and high frequencies and allows a BAND of frequencies to pass through. So, when a signal is passed through a bandpass filter, it rejects dc and the sinusoids of frequencies ωm, 2ωm, and 2ωc and RETAINS the frequencies ωc, ωc – ωm, and ωc + ωm.The output of the bandpass filter, therefore, is of the same form is hence an AM WAVE.

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