单项选择题

Which of the following would be the impedance of an 8 ohm and a 4 ohm speaker that are wired in parallel？（）

A.2.66 ohms
B.Less than 1 ohm
C.4 ohms
D.12 ohms

点击查看答案

上一题目录下一题

相关考题

单项选择题

Which of the following can cause ghosting in a video image？（）

A.Bent pin on an S-Video cable
B.Mislabeled component cables
C.Defective HDMI cable
D.Improperly terminated coax cable

单项选择题

When integrating a media server into a home theater， which of the following terms BEST describes the technology used to protect the interest of copyright holders （e.g. multimedia content）？（）

A.Digital Rights Management （DRM）
B.MPEG Layer-3 （MP3）
C.Internet Key Exchange （IKE）
D.Content Management System （CMS）

单项选择题

Which of the following is a diplexer used for？（）

A.Allows two satellite tuners to use the same dish.
B.Connects the low noise block down converter （LNB） to the multi-switch.
C.Combines satellite and over the air （OTA） signals.
D.Allows one LNB to use two satellites.