複選題
40. 正弦波電壓一般式為v(t)=100 sin(377t) V,下列敘述何者正確?
(A) Vrms = 100V
(B) f = 377Hz
(C) VP-P = 200V
(D) T = 1/60秒
答案:登入後查看
統計: A(72), B(62), C(352), D(393), E(4) #1852994
統計: A(72), B(62), C(352), D(393), E(4) #1852994
詳解 (共 1 筆)
#3078561
Vm=100
W=2拍f=377
T=1/f
Vp-p=2Vm
Vrms=Vm/√2=110/√2=55√2V
f=377/2拍=60Hz
Vp-p=2Vm=200V
T=1/f=1/60s
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