˾

ǰλ:ʥԪҳ > > ˾

ʥԪƽ̨ͬѭP=I^2*R

ʱ䣺2019/6/30 12:31:32 :

ôǵĵǣѭP=I^2*RģͬP=I^2*R衰İ˭ʾʹôԽڡ...

㡣ôǣĵ磡ࣺģͬP=I^2*Rİ˭ʾʹôԽڡôǶѹ㰴ʱԽСԽ󣬰P=I^2*R书ʾԽ൱ڷԽڡʥԪƽ̨

ôʥԪƽ̨ͬǶѹ㰴ʱԽСԽ󣬰P=I^2*R书ʾԽ൱ڷģԽڡ

磻ѹࣺĵƵ,Խ,ԽС,ѰʱԪʱڷԽ.Ȼѭ,Խ,Ԫʱ䣬ڷԽ.߷¡еִ,Ǻ硰?

һƪ·ĵͱ.ڴ·бصĵ

һƪʥԪƽ̨թʽȡõϾ

Ȩ Copyright © ʥԪ վͼ