单项选择题
According to Ohm’s Law， which of the following is correct？（）
A.As voltage increases， resistance decreases
B.As amperage decreases， resistance decreases
C.As resistance decreases， amperage increases
D.As resistance increases， voltage increases
点击查看答案
相关考题
-
单项选择题
Whenconfiguringsurroundsoundsystems，speakerdelayisusedtocompensateforspeaker（）.
A.distance
B.power
C.size
D.efficiency -
单项选择题
WhichofthefollowingBESTdescribesCAT5e？（）
A.Contains four pair of wires of various gauge
B.Contains two wires in a red fireproof jacket
C.Contains four twisted pairs of wires
D.Contains eight wires within a thick jacket with a rip cord -
单项选择题
RG-6coaxialcableistypicallyusedinallofthefollowingapplications：（）
A.multi-room audio， telephone， intercom and temperature control.
B.thermostat， CCTV， smoke detectors and keypads.
C.home theater， lighting control and multi-room audio.
D.video， digital cable， and satellite applications.
