What will be the velocity of an electromagnetic wave in free space?
What will be the velocity of an electromagnetic wave in free space?
Maxwell equation is used to calculate velocity of electromagnetic wave in free space,
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V.E = 0. 1) V.B=0(2) дв ..(3) VxE = VxH в д6,Е Vx- аE (4) VxB = ,8 D electric field density B magnetic field density E = electric field intensity H magnetic field intensity , =permittivity of free space 4=pemeability of free space
Equation of electric field is calculated as,
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ав V xE = - дв Vx(Vx E) Vx a V(V.E)-VE=(VxB) ДЕ vE vE = 4,8. (5)
Equation of magnetic field...
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ДE УxВ%3D н,6, Уx (VxB)- д,8. (YxE) дв (V-B)-v'в - д, 6, в (6) v'B= μδ ,
Engineering
Electrical Engineering
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