Contact us
Choose a category below so we can get back to you as quickly as possible.
由題意可知,P1:P2=2:3,t1:t2=3:2,由P=Wt可得,消耗的電能之比:W1W2=P1t1P2t2=P1P2×t1t2=23×32=11.故選A.
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.