电阻

• We can see that the massive vein is revealed by resistivity .
  可以看出，致密的矿脉可用电阻率法来发现。
• The resistance is halved if the cross-sectional area is doubled .
  如果截面积增加一倍，则电阻减少一半。
• This average reading removes some of the effect of contact resistance .
  平均读数法去除了接触电阻的某些影响。
• Electrical contact is maintained between the wiper and resistance element .
  滑臂与电阻器之间形成一个电接触点。
• The simplest version of the thermocouple gage consists of a resistance wire .
  最简单的热电偶计是由电阻丝组成。
• It would be necessary to connect a limiting resistor in series with the lamp .
  须用一个限流电阻同灯泡串联起来。
• In an ordinary resistance, the energy which is "lost" passes into heat .
  在一个普通电阻中，损失的能量转变成为热。
• We shall take the typical emitter-to-base resistance as about 250 ohms .
  我们取发射极基极电阻的典型值为250欧姆左右。
• Many plastics have high surface resistance and low electrical conductivity .
  很多塑料具有高的表面电阻和低的导电性能。
• The resulting length of path is greatly increased, with consequent increase in resistance .
  结果路径长度大大增长，电阻增大。