【判断题】有的行为尽管法律上没有明文规定为犯罪行为,但只要它具有社会危害性,就可以比照刑法相关规定定罪处罚。( )
【简答题】A current-carrying gold wire has diameter 0.84 mm. The electric field in the wire is 0.49V/m. The current carried by the wire equals A. (The resistivity of gold is 【图片】) (Be accurate to two deci...
【判断题】两齿轮间的传动比(i)指齿轮的转速之比,也是齿轮的齿数之比,该说法是否正确
【单选题】The resistivity of a 1.0 m long wire is 1.72 × 10-8 Ωm and its cross sectional area is 2.0 × 10-6 m2. If the wire carries a current of 0.20 A, what is the voltage across the wire?
【判断题】有的行为尽管法律上没有明文规定为犯罪行为,但只要它具有社会危害性 ,就可以比照我国《刑法》相关规定定罪处罚。
【单选题】The average resistivity of the bedrock in the core is most similar to the average resistivity of which of thefollowing till layers?
C.
Olive green and gray till