電路與模擬電子技術(shù)基礎(chǔ)單項選擇題每日一練(2020.05.29)

來源：考試資料網(wǎng)

1 若二極管D₂接反，則（）

2 The characteristic of an ideal diode are those of a switch that can conduct current（）.

3 設(shè)U₂（有效值）=10V，則U_I（AV）（）

4 若電阻R短路，則（）

5 What is the value of the voltage dropped across forward-biased silicon diodes that are connected in parallel with each other？（）.