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What must be the magnitude of a uniform electric field if it is to have the same energy density as that possessed by a 0.74 T magnetic field?
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Added Mon, 03 Aug '15
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so both energy density to be same.

0.5*(B^2)/mu = 0.5*E^2 * epsilon

E = B*(sqrt(1/mu*epsilon)) = 0.74 * 300*10^6 = 221898901.5
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Added Mon, 03 Aug '15
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