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The figure shows a section of a long, thin-walled metal tube of radius R = 5.08 cm, with a charge per unit length λ = 1.03×10−8 C/m. What is the magnitude E of the electric field at radial distance (a) r = 1.68 cm and (b) r = 7.35 cm. (a) Number Units (b) Number Units

The figure shows a section of a long, thin-walled metal tube of radius R = 5.08 cm, with a charge per unit length λ = 1.03×10−8 C/m. What is the magnitude E of the electric field at radial distance (a) r = 1.68 cm and (b) r = 7.35 cm. (a) Number Units (b) Number Units

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The figure shows a section of a long, thin-walled metal tube of radius R = 5.08 cm , with a charge per unit length λ = 1.03 × 10 − 8 C / m . What is the magnitude E of the electric field at radial distance (a) r = 1.68 cm and (b) r = 7.35 cm . (a) Number ◻ Units ◻ (b) Number
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