We study the magnetic monopoles in non-Abelian gauge theories. The exact static spherically symmetric solutions of the magnetic monopoles in both Yang-Mills' and unified gouge theories are obtained. The energy E of the static system is calculable and it is either zero or infinite. The existence of the magnetic monopole solution is a consequence of symmetry rather than dynamics. We propose a new definition of the electromagnetic field tensor which relates the static solution of gauge fields and the magnetic monopole solution. Experimental implications are discussed.
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