發(fā)光二極管的簡(jiǎn)圖正負(fù)極如何判斷最好還能說(shuō)下電勢(shì)高低2,貼片發(fā)光二極管正負(fù)極如何辨別最簡(jiǎn)單的判別方法3,請(qǐng)問(wèn)發(fā)光二極管的正負(fù)極怎么分辨4,怎樣判斷電路圖中發(fā)光二極管的正負(fù)極呢5,二極管的正負(fù)極怎么區(qū)分6,發(fā)光二極管的正負(fù)極怎么分辨1,發(fā)光二極管的簡(jiǎn)圖正負(fù)極如何判斷最好還能說(shuō)下電勢(shì)高低二極管簡(jiǎn)圖有兩根引腳,長(zhǎng)的為正極短的為負(fù)極,如果二極管正極接電源正極,二極管負(fù)極接電源負(fù)極就能正常發(fā)光,若不計(jì)二極管電阻則正負(fù)極電勢(shì)一樣高,若考慮電阻影響則正極電勢(shì)高于負(fù)極。如果二極管反接就不會(huì)發(fā)光,二極管正極電勢(shì)高于負(fù)極。...
更新時(shí)間:2023-08-19標(biāo)簽: 發(fā)光發(fā)光二極管二極管負(fù)極發(fā)光二極管正負(fù)極判斷 全文閱讀