### Consider an infinite wire with radius carriesa current i

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##### Reference no: EM139438

Q. Consider an infinite wire with radius R that carries a current I

a) compute B (r) for r < R

Consider a large parallel plate capacitor with circular plates of radius R. suppose that the electric field between the plates is increasing

b) estimate the induced B (r) for r < R

c) Show that B (r) is the identical as in part a) if I is replaced by the displacement current Id

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