【简答题】电阻值为R的一段导线,将它从中间对折,合成一段新导线,接到电压为20v的电源两端,其阻值为(),若将电源电压升为40v,其阻为()。
【简答题】minimum efficient scale
【单选题】What is the minimum efficient scale (MES) of production?
A.
The point on an average cost curve where the cost per unit begins to decline more rapidly
B.
The minimum point on a U-shaped average cost curve
C.
The minimum level of production at a plant for it to be considered profitable
D.
The level of production for a small sized plant
【判断题】递归算法在逻辑上是一个问题化为同样的问题
【单选题】Identify an advantage of adopting a low minimum efficient scale.
A.
It helps companies reduce the level of initial capital required for business.
B.
It allows the firm to accommodate demands for local responsiveness.
C.
It allows firms discount political risks and other global capital risks.
D.
A minimum efficient scale of a plant allows decentralization of production.
【单选题】电阻值为R的一段导线,将它从中间对折,合并成一段新导线,其阻值为( )
【简答题】电阻值为R的一段导线,将它从中间对折,合并成一段新导线,接到电压为20V的电源两端,其阻值为 ,若将电源电压升为40V,其电阻值为 。
【单选题】电阻值为R的一段导线,将它从中间对折,合并成一段新导线,接到电压为20V的电源两端,其阻值为 ,若将电源电压升为40V,其电阻值为 。