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Assume that a stationary electron is a point of charge. What is the energy density u of its electric field at radial distances (a) r = 1.60 mm, (b) r = 1.60 μm, (c) r = 1.60 nm, and (d) r = 1.60 pm? (e) What is u in the limit as r → 0? (Select option "1" if u → 0 or option "2" if u → ∞.) (a) Number Units (b) Number Units (c) Number Units (d) Number Units (e)

Assume that a stationary electron is a point of charge. What is the energy density u of its electric field at radial distances (a) r = 1.60 mm, (b) r = 1.60 μm, (c) r = 1.60 nm, and (d) r = 1.60 pm? (e) What is u in the limit as r → 0? (Select option "1" if u → 0 or option "2" if u → ∞.) (a) Number Units (b) Number Units (c) Number Units (d) Number Units (e)

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Assume that a stationary electron is a point of charge. What is the energy density u of its electric field at radial distances (a) r = 1.60 m m , (b) r = 1.60 μ m , (c) r = 1.60 n m , and (d) r = 1.60 p m ? (e) What is u in the limit as r → 0 ? (Select option "1" if u → 0 or option "2" if u → ∞ .) (a) Number i ◻ Units ◻ (b) Number i ◻ Units ◻ (c) Number i ◻ Units ◻ (d) Number i ◻ Units ◻ (e) ◻

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