电流I(A)随时间t(s)变化关系是 I=10sin(100π*t)+10(t属于[0,0.01]) 则当电流强度为15A,t=多少s
问题描述:
电流I(A)随时间t(s)变化关系是 I=10sin(100π*t)+10(t属于[0,0.01]) 则当电流强度为15A,t=多少s
答
sin(100π*t)=1/2
100t=1/6
t=1/600