基電ch81-4 【 D 】 一交流正弦波電壓峰對峰值為10V，則有效值電壓為(A) (B) (C) (D). 解析：. 15.【 C 】 平均值皆為100V 之正弦波、方波和 ...
交流波形 每秒60週之交流發電機,有24極,試求此機每分鐘之轉速(A)5 (B)48 (C)120 (D)300 rpm [78北夜]D. 14.一正弦波電壓的最大值 ...
AC waveforms : Basic Ac Theory - Electronics Textbook Graph of AC voltage over time (the sine wave). In the voltage plot from an electromechanical alternator, the change from one polarity to the other is a smooth one ...
