单项选择题
What is the value of the voltage dropped across forward-biased silicon diodes that are connected in parallel with each other？（）.
A.11.3V B.35V C.7V D.4V
单项选择题 When a p-n junction is reverse-biased，its junction resistance is（）.
单项选择题 The piecewise linear model，equivalent circuit of the diode consists of（）.
单项选择题 The characteristic of an ideal diode are those of a switch that can conduct current（）.
