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Author Question: The selectivity of a given band-pass filter has degraded significantly, yet the fr is within ... (Read 36 times)

tth

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on: Jul 28, 2018
The selectivity of a given band-pass filter has degraded significantly, yet the fr is within tolerance. Which of the following could have caused this?
 
  A) The capacitance has increased. B) The load has opened.
  C) The inductance has increased. D) none of the above

Question 2

In a series RLC circuit at resonance:
 
  A) the impedance is mostly resistive. B) the impedance Z is at minimum.
  C) XC equals XL and they cancel. D) all of these.


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Laurenleakan

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Reply #1 on: Jul 28, 2018
Answer to Question 1

D

Answer to Question 2

D


tth

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Reply 2 on: Jul 28, 2018
Gracias!

xiaomengxian

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Reply 3 on: Yesterday
:D TYSM

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