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【单选题】
电路如图所示,设二极管导通电压UD=0.7V ,电路的输出电压Uo 等于( )V。A.
-10
B.
-5.7
C.
0
D.
-15
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举一反三
【判断题】The annual worth of an asset for one life cycle is different from that calculated over two, three, or any other number of life cycles.
A.
正确
B.
错误
【单选题】The annual worth of Utah's manufacturing is greater than ______.
A.
that of its mining and faming combines
B.
mining and farming combination
C.
that mining and farming, combined
D.
of its combination mining and farming
【单选题】The annual worth of a permanent investment can be determined from its capitalized cost by________________.
A.
Using the A/P factor for a large n value
B.
Same each period
C.
Dividing by i.
D.
Multiplying by i.
【单选题】When comparing different-life alternatives by the annual worth method, the annual worth calculated using their LCM of lives will be the same as that calculated over one________________.
A.
Two life cycles of each one
B.
Same each period
C.
Study period
D.
Life cycle only
【单选题】The annual worth of Utah’s manufacturing is greater than ______.
A.
that of its mining and farming combined
B.
mining and farming combination-Ion
C.
that mining and farming combined
D.
of its combination mining and farming
【判断题】The equivalent annual worth of unequal-life alternatives can be determined by first calculating their present worth for one life cycle and then multiplying that value by the A/P factor for their LCM.
A.
正确
B.
错误
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