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【单选题】
如果三极管的三个极上电压关系为Uc>Ub>Ue,则该三极管是( )。
A.
PNP
B.
NPN
C.
结型场效应管
D.
双极型管
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参考答案：
举一反三
【单选题】A micrometer with ∆ ins =0.004mm is used to measure the diameter of a steel ball only once, what is the absolute uncertainty of the measured result?
A.
0.004 mm
B.
0.1 mm
C.
0.2 mm
D.
0.5mm
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【简答题】A mercury manometer at 21.1(°C) reads 26.5 (cm). The local acceleration of gravity is 9.79(m)/(s)2. The barometer (brass scale) also at 21.1(°C) reads 74.19 (cm) of mercury . What is the absolute pres...
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【简答题】简述接触器和继电器的区别
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【单选题】In Fig. FE2.3, if the oil in region B has SG=0.8 and the absolute pressure at point A is 1 atm, what is the absolute pressure at point B?
A.
5.6kPa
B.
10.9kPa
C.
107kPa
D.
112kPa
E.
157kPa
查看完整题目与答案
【单选题】接触器和继电器的区别?
A.
电流是否大于5A
B.
电压的种类
C.
体积的大小
D.
生产厂家
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【单选题】The gauge pressure inside a container is -0.5kg/cm2, then what is the absolute pressure exerted to the inside surface of this container?
A.
0.05Mpa.
B.
0.95 Mpa.
C.
05 Mpa.
D.
0.5 Mpa.
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【判断题】等级高的产品售价高,为了增加利润;等级的产品售价低,则减少了利润。
A.
正确
B.
错误
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【单选题】In Fig. FE2.3, if the oil in region B has SG=0.8 and the absolute pressure at point B is 96.5kPa, what is the absolute pressure at point A?
A.
11kPa
B.
41kPa
C.
86kPa
D.
91kPa
E.
10141kPa
查看完整题目与答案
【单选题】What is the absolute phrase in this sentence? Her kids tucked into bed, Jane could finally go to sleep.
A.
Her kids tucked into bed
B.
go to sleep
C.
Jane could finally go to sleep
D.
tucked into bed
查看完整题目与答案
【简答题】接触器和继电器的区别?
查看完整题目与答案
相关题目：
【单选题】A micrometer with ∆ ins =0.004mm is used to measure the diameter of a steel ball only once, what is the absolute uncertainty of the measured result?
A.
0.004 mm
B.
0.1 mm
C.
0.2 mm
D.
0.5mm
查看完整题目与答案
【简答题】A mercury manometer at 21.1(°C) reads 26.5 (cm). The local acceleration of gravity is 9.79(m)/(s)2. The barometer (brass scale) also at 21.1(°C) reads 74.19 (cm) of mercury . What is the absolute pres...
查看完整题目与答案
【简答题】简述接触器和继电器的区别
查看完整题目与答案
【单选题】In Fig. FE2.3, if the oil in region B has SG=0.8 and the absolute pressure at point A is 1 atm, what is the absolute pressure at point B?
A.
5.6kPa
B.
10.9kPa
C.
107kPa
D.
112kPa
E.
157kPa
查看完整题目与答案
【单选题】接触器和继电器的区别?
A.
电流是否大于5A
B.
电压的种类
C.
体积的大小
D.
生产厂家
查看完整题目与答案
【单选题】The gauge pressure inside a container is -0.5kg/cm2, then what is the absolute pressure exerted to the inside surface of this container?
A.
0.05Mpa.
B.
0.95 Mpa.
C.
05 Mpa.
D.
0.5 Mpa.
查看完整题目与答案
【判断题】等级高的产品售价高,为了增加利润;等级的产品售价低,则减少了利润。
A.
正确
B.
错误
查看完整题目与答案
【单选题】In Fig. FE2.3, if the oil in region B has SG=0.8 and the absolute pressure at point B is 96.5kPa, what is the absolute pressure at point A?
A.
11kPa
B.
41kPa
C.
86kPa
D.
91kPa
E.
10141kPa
查看完整题目与答案
【单选题】What is the absolute phrase in this sentence? Her kids tucked into bed, Jane could finally go to sleep.
A.
Her kids tucked into bed
B.
go to sleep
C.
Jane could finally go to sleep
D.
tucked into bed
查看完整题目与答案
【简答题】接触器和继电器的区别?
查看完整题目与答案
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