PHPWIND
HELLOCQ
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我计算的是19.146uh和27pf 得到7m整
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余老师基本功很扎实,我每逢公式都现查资料!
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频率计算公式:频率等于1除以2倍π乘以根号lc!手算,大概7.026兆!19*27=513,开方约等于22.65,再乘以2π(6.283),用1除以它们的乘积,大约就是7.026兆!调整磁帽应该可以到7兆!
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