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功率放大电路的转换效率是指( ) 。

单选题
2021-07-17 23:22
A、输出功率与晶体管所消耗的功率之比
B、最大输出功率与电源提供的平均功率之比
C、晶体管所消耗的功率与电源提供的平均功率之比
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正确答案
B

试题解析

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