Copper is often used as an electrical conductor because it ().
- Ahas high resistance at low temperatures
- Bhas a highly polished surface
- Cis able to pass current with little opposition
- Dholds insulation together well
Copper is often used as an electrical conductor because it ().
1、()is often described as the music of s
()is often described as the music of speech—the way the voice goes up and down as we speak.
2、In motor ship, () is often used to rec
In motor ship, () is often used to recover some of the heat carried in the exhaust gases from the main engine.Aan diesel oil heaterBa waste heat boilerCa fresh water generatorDall the above
3、Which WLAN device is often used to mak
Which WLAN device is often used to make wireless connections between buildings or campuses?()ArouterBbridgeCaccess pointDclient adapter
4、An operational amplifier, as used in t
An operational amplifier, as used in todays consoles, has a calculated gain of 5This means that when the input changes ()A5 volts, the outpu...
5、A ground can be defined as an electric
A ground can be defined as an electrical connection between the wiring of a motor and its().Ashunt fieldBcircuit breakerCmetal frameworkDinter-pole
6、An operational amplifier, as used in t
An operational amplifier, as used in todays consoles, may have a calculated gain of 5√This means that as the input changes by ()A1 volt, t...