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(1)ЧӦͨʱתȣЧӦ.
(2)ЧӦʵʣǵͨʱɵתΪ.
(3)ͨʱȫתΪܵõ.ŵࡢȾЧʸߣұڿƺ͵ڵ.
(4)ʱõȣ緹ٶ;ʱǷֹȲΣɢȿסɢƬɢȷȵ.

ɣ
(1)ݣͨĶηȣĵȣͨʱȣɽн.
(2)ʽQ=I2RtʽеĵIĵλҪð(A)RĵλҪŷķ()ͨʱtĵλҪ(s)Qĵλǽ(J).
(3)ιʽQ=U2t/R,Q=UIt(ڴ·)

ܵĹϵ·ʱQ=W;Ǵ·ʱQ

ϾһҽΪҴ˽̰߶ڶԪ֪ʶ㣺뽹֪ʶ㣬Ҫϸ͵ģֱµһҽֱӵ¼һҽҽ




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