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反馈参考答案：
举一反三
【单选题】According to the Eq. the voltage between two points a and b in an electric circuit is the ( ) needed to move a unit charge from a to b.
A.
power
B.
energy (or work)
C.
voltage
D.
current
【简答题】内径千分尺的分度值为0.01mm,可测量大于Φ mm的精度较高、深度较大的孔径。
【简答题】There are several distinct approaches that we can take, In one we write a set of simultaneous equations in which the variables are voltage, this is known as nodal ysis.
【简答题】nodal ysis
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