Poynting theorem states that: the total electromagnetic energy stored in a volume V is converted to heat and power flow across the surface bounded this volume, Prove [(Ē.J)dV = -d/ dt(U.m)- [ S. da

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Poynting theorem states that: the total electromagnetic energy stored in a
volume V is converted to heat and power flow across the surface bounded
this volume, Prove [(Ē.J)dV = -d/ dt(U em)- S. da
Use:
B2
C.m
Ho
AP
V.( ĒxĒ) = B.(VxĒ) – Ē.(VXB)
%3D
Ā)dV
Transcribed Image Text:Poynting theorem states that: the total electromagnetic energy stored in a volume V is converted to heat and power flow across the surface bounded this volume, Prove [(Ē.J)dV = -d/ dt(U em)- S. da Use: B2 C.m Ho AP V.( ĒxĒ) = B.(VxĒ) – Ē.(VXB) %3D Ā)dV
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