Download - 4.4 法拉第电磁感应定律
Transcript
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4.4
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2 12 12
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1. ..2
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Et / t
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P463.1-2P473.1-3
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1t,,,2,t,,t.
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1/ t2 k=1
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nn1 2 E 3
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EntE 1.BSSS2-S1EnBSt 2.SBBB2-B1EnSBt 3.BSEnBSt
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;
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1500.5Wb/s 21000. 5s0.01Wb0.09Wb310010cm20. 5s1T9T
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5( )A0BDCDD0D0.4VABD
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E abBabvtS=L(vt)=BS=BLvtV
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vB 1L2VB=0 E=03VE. VE.
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BLabBvLabE=BL(Vsin)E=B(Lsin)V---
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RB VE=E = B2RV---
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1 E
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2
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10 E2v E
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V .
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NS
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, . ,,.
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50R992021100TsR
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dnmqmgd/nq
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17911876