下图中，电压V，V,V,V,V。/ananas/latex/p/221724https://mooc1.chaoxing.com/ananas/latex/p/530112https://mooc1.chaoxing.com/ananas/latex/p/520519https://mooc1.chaoxing.com/ananas/latex/p/1142097https://mooc1.chaoxing.com/ananas/latex/p/1142085https://p.ananas.chaoxing.com/star3/origin/e6966ea20ac0a61450b9979c6123d0eb.png

V的相位超前V的45°电角。/ananas/latex/p/62559/ananas/latex/p/62560

V是由平面,则( )/ananas/latex/p/252582/ananas/latex/p/252584

图示电路中V,现已知V,则、分别为( )。/sqp/img?f=50b0f72a20783aad58cc7eea8ff2903f.files%2Fimage023.jpg/ananas/latex/p/860119/ananas/latex/p/1511/ananas/latex/p/1510/sqp/img?f=50b0f72a20783aad58cc7eea8ff2903f.files%2Fimage025.png

什么是V带轮的基准直径?什么是V带的基准长度?/ananas/latex/p/58466/ananas/latex/p/24140

记压强为 P ，体积为 V ，初末体积分别为 、 。则过程中系统对外界所做的功为。/ananas/latex/p/2303/ananas/latex/p/2304/ananas/latex/p/630942

V的相量表达式为()/ananas/latex/p/647621

正弦电压u1=10sin V, u2=10sin V的相位差是/ananas/latex/p/427520

/ananas/latex/p/515893/ananas/latex/p/515894/ananas/latex/p/503271/ananas/latex/p/515901/ananas/latex/p/515902/ananas/latex/p/515907/ananas/latex/p/515908

已知()=0.4，则()=( )/ananas/latex/p/152/ananas/latex/p/278/ananas/latex/p/847/ananas/latex/p/281/ananas/latex/p/152/ananas/latex/p/4781/ananas/latex/p/7419/ananas/latex/p/6547