单项选择题

Whichofthefollowingisthecorrectsignalflowforananalogmulti-roomaudiosystem?()

A.Source,VolumeControl,Speaker,Amp
B.Source,Amp,VolumeControl,Speaker
C.Amp,Source,VolumeControl,Speaker
D.Speaker,Amp,VolumeControl,Source
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单项选择题
RG-6coaxialcableistypicallyusedinallofthefollowingapplications:()
A.multi-roomaudio,telephone,intercomandtemperaturecontrol.
B.thermostat,CCTV,smokedetectorsandkeypads.
C.hometheater,lightingcontrolandmulti-roomaudio.
D.video,digitalcable,andsatelliteapplications.
单项选择题
AccordingtoOhm’sLaw,whichofthefollowingiscorrect?()
A.Asvoltageincreases,resistancedecreases
B.Asamperagedecreases,resistancedecreases
C.Asresistancedecreases,amperageincreases
D.Asresistanceincreases,voltageincreases
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