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In good conductors, the electric and magnetic fields will be attenuated rapidly. This phenomenon is described by the skin effect, where electromagnetic fields penetrate only a limited depth into the surface of conductors at high frequencies. This results in electric and magnetic fields being confined mainly to the surface of the conductor with their strengths diminishing rapidly as they penetrate deeper into the material.
b
Explanation: The electric and magnetic fields will be out of phase by 45 in good
conductors. This is because their intrinsic impedance is given by η = √(ωμ/σ) X (1+j). In
polar form we get 45 out of phase.
b) 45 out of phase
Explanation: The electric and magnetic fields will be out of phase by 45 in good
conductors. This is because their intrinsic impedance is given by η = √(ωμ/σ) X (1+j). In polar form we get 45 out of phase.