A Very Long Wire Carries a Uniform Linear Charge Density

question 25

Multiple Choice

A very long wire carries a uniform linear charge density of 7.0 nC/m. What is the electric field strength 16.0 m from the center of the wire at a point on the wire's perpendicular bisector?
(ε₀ = 8.85 × 10^-12 C^2/N ∙ m²)

• A) 7.9 N/C
• B) 3.9 N/C
• C) 0.49 N/C
• D) 0.031 N/C

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