Different signal path lengths will cause the signal phase to shift. 不同的信號通路長度將會造成信號相移。
When the closed circuit is broken at any point-that is, when the path of conducting material is interrupted-there will be no current. 當閉合電路在任一點上斷開,也就是說,當導電材料的通路中斷時,就不會有電流。