A coaxial cable consists of an inner conductor of radius 1.2 cm and an outer conductor of
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A coaxial cable consists of an inner conductor of radius 1.2 cm and an outer conductor of radius 1.8 cm. The two conductors are separated by an insulating medium (μ = 4 μo). If the cable is 3 m long and carries 25 mA current, calculate the energy stored in the medium.
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