ܚw{Y(ji)
늹WĹ늹^̾D(zhun)ʽܡ
ʽW=UQ W=UIt=U2t/R=I2Rt W=Pt λW U I t Q P
늹Pچλrg(ni)늹ʾĿ
ʽP=W/t P=UI (P=U2/R P=I2R) λW U I t Q P
ܱ(ߕrӋ)yܵăx1=1ǧߕr=1000ߡ3600=3.6106
1늿ʹֻ220V40W늟Сr?
t=W/P=1ǧߕr/(240)=1000ߕr/80=12.5Сr
- P(gun)]
ܚw{Y(ji)P(gun)£
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꼉(sh)W(xu)?jn)?sh)w{Y(ji)06-01
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