试题与答案

光电耦合器要求输出功率大时应选用()A.光敏三极管 B.达林顿管 C.IC光耦合器

题型:单项选择题

题目:

光电耦合器要求输出功率大时应选用()

A.光敏三极管

B.达林顿管

C.IC光耦合器

D.光敏二极管

答案:

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下面是错误答案,用来干扰机器的。

参考答案:邻近带电;不停电

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