曲线阻力 curve resistance
简述货车溜放基本阻力 basic resistance for car rolling。
道岔阻力 switch resistance
英译汉:resistance
The resistance experienced when one body moves over another, ______ it is in contact, is called frictional force.
When the voltage remains constant and the resistance is increased in a series circuit, the flow of current ()
Some large A-Cmotors are equipped with heatersThese could be () (1)resistance heaters bolted directly to the frame (2)low voltage windings embedded in the motor windings
With a purely resistance load the voltage and current are in phase, giving a power factor of ().
An accidental path of low resistance, allowing passage of abnormal amount of current is known as a/an().
An accidental path of low resistance, allowing passage of abnormal amount of current is known as a/an().