在纯电感交流电路中,已知感抗 X L = 4Ω,当电流i= √2 sin(314t+30°)A,则电压为( )。 A. u= 4√2 sin(314t+30°)V B. u= 4√2 sin(314t+120°)V C. u= 4√2 sin(314t-60°)V D. u= 4√2 sin(314t+60°)V
A.
B.
C.
D.
D
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【简答题】Rewrite the following sentences from the you-viewpoint. 1. We will be pleased to deliver your order by May 16. 2. We have worked for 20 years to develop the best model car for our customers. 3. I am p...
【单选题】We are pleased to make you an offer ______ 5000 dozen ladies folding auto Umbrella_____ USD 35 per dozen_____ CIF London basis ________ prompt shipment. ( ) A. for , at. on, for B. for , ...