【判断题】【消耗次数：1】
若金属电阻应变片的测试信号为直流电桥一个桥臂的输入，则电桥的输出为调幅波。（）
①
正确
②
错误
参考答案：
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相关题目
【单选题】
以下（ ）项可以提高应变片测量电桥的输出电压灵敏度。
①
在应变片功率范围内降低电桥供电电压
②
不受应变片功率限制提高电桥供电电压
③
不受应变片功率限制降低电桥供电电压
④
在应变片功率范围内提高电桥供电电压
【单选题】
以下（ ）项可以提高应变片测量电桥的输出电压灵敏度。
①
在应变片功率范围内降低电桥供电电压
②
不受应变片功率限制提高电桥供电电压
③
不受应变片功率限制降低电桥供电电压
④
在应变片功率范围内提高电桥供电电压
【单选题】
以下（ ）项可以降低应变片测量电桥的非线性误差。
①
采用全桥接法
②
采用半桥单臂接法
③
在应变片功率范围内提高电桥供电电压
④
在应变片功率范围内降低电桥供电电压
【单选题】
以下（ ）项可以降低应变片测量电桥的非线性误差。
①
采用全桥接法
②
采用半桥单臂接法
③
在应变片功率范围内提高电桥供电电压
④
在应变片功率范围内降低电桥供电电压
随机题目
【单选题】
Doctors have said that as many as 50% of patients dont take medicine ______.
①
like directed
②
to be directed
③
as directed
④
so that directed
【单选题】
After filling out this form, please dont forget to______ your name.
①
sign
②
sigh
③
scribble
④
jot
【单选题】
—Why didnt you come to join her party?—I______, but I had to deal with something urgent.
①
would have
②
should
③
would do
④
was going to have
【单选题】
They couldn’t ______ to fly out to see us, and we couldnt either. We were all poor then.
①
offer
②
afford
③
provide
④
supply
【单选题】
Youve got a divorce? Why did he decide to______ you after seven years together?
①
keep company with
②
part company with
③
keep in touch with
④
stay in touch with
【单选题】
—How many poor counties will there be in our province by 2020?—There will be only a few, if _______.
①
much
②
some
③
any
④
many
【单选题】
Henry was very busy yesterday．Otherwise he______ to our my birthday party.
①
would have come
②
came
③
had come
④
will come
【单选题】
Our parents were strict. They requested that we______ television on week nights.
①
have not watched
②
not be watching
③
must not to watch
④
not watch
【单选题】
---Why didn’t John call me ? ---Oh, his cell-phone ran out of power, otherwise he______ you.
①
had called
②
would have called
③
called
④
would call