中考物理微专题复习 专题49 中考热电综合计算题（教师版含解析）

??@?1kg,`p-16?\r6c\n@!\r(2) "P\n#$%&'()lh*+@#,O.llkWh,-./#$%@#0!\r(3) P\nR2@#1!\r23456789:1233EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\r23456789:1234\r;<;=\r>?@A(1) "P,?@2.1X104JL\r(2) "P\n./#$%@#00.5AL\r(3) P,R2@#188QS\r>TUA(1)?@V\rQ=c?m?Zt=2.1X103J/(kg_`)XlkgX[-6`-(-16`)]=2.1X104JL\r(2)fghijk\nlS2n1o2 "P\n-pq#$%()\rrs=11tuv\n./#$%@#0V\rI^^=0.11X3.6X106j=05AL\rUt220VXix3600s\r(3)#$%@€V\rP#$%=W#$%,=o.llkw,h=0.HkW=ll0W,\rtlh\rlS2n3o4 P\n-#$%oR1oR2‡ˆ\r‰‡ˆ#Š‹ŒŠŽ@#‘\r’R(*+@€V\rP“”=(220V)2=440W,\rR1110•\r–—-˜™š@›€1100W,’*+R2@€V\rP2=P-P#$%-P|=1100W-HOW-440W=550W,\rrP=-uv\nR2@1žV\rR\rR,=UŸ=(220V)2=88Q•\r-P2550W\r23456789:1234EvaluationWarning:ThedocumentwascreatedwithSpire.PDFfor.NET.\r23456789:1235\r23456789:1235