Current that varies in amplitude but does not reverse in polarity is considered ac.
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Q32: An electrical filter can separate different frequency
Q33: Generally, inductors and capacitors are not used
Q34: The amount of attenuation offered by a
Q35: The ac signal voltages present at the
Q36: For audio mixed with radio frequencies, a
Q38: The ac component of a fluctuating dc
Q39: A transformer with a separate secondary winding
Q40: Capacitive coupling is probably the most common
Q41: The coupling capacitor isolates the dc voltages
Q42: The size of a coupling capacitor depends
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