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【简答题】
电子元器件的封装形式可以分成两大类:针脚式元件(简称____),____式元件(简称____)。
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参考答案:
举一反三
【单选题】inductance
A.
电容
B.
电阻
C.
电感
D.
电感器
【判断题】我国公务护照是由公安部门颁发的。
A.
正确
B.
错误
【判断题】我国公务护照是由公安部门颁发。()
A.
正确
B.
错误
【单选题】We can connect two inductors L1 and L2 in series to get a larger inductor. Compare the total inductance L with L1 + L2, which statement is true?
A.
L > L 1 + L 2
B.
L = L 1 + L 2
C.
L < L 1 + L 2
D.
All the 3 results are possible
【单选题】关税同盟的重要特点是( )
A.
对外自由,对内保护
B.
对内自由,对外保护
C.
对内外均自由
D.
对内外均保护
【多选题】In ACT 3, Philip says, "What a day!" What does it mean?
A.
That person had a really good day.
B.
That person had a busy day.
C.
That person had a bad day.
D.
This expression doesn't mean anything.
【简答题】inductance
【判断题】High-pass filters use choke inductance L in series with RL.
A.
正确
B.
错误
【简答题】For fig a, the equivalent inductance is ( )mh For fig b, the equivalent inductance is ( )μh
【判断题】Low-pass filters use inductance L in parrell with the load.
A.
正确
B.
错误
参考解析:
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