MDCAT Physics MCQ #1553

An infinite line charge with λ = 5×10⁻⁶ C/m produces a field of 9×10⁴ N/C. What is the distance from the line?

MDCAT Physics MCQ #1553

  1. Question 1

    Q1. An infinite line charge with λ = 5×10⁻⁶ C/m produces a field of 9×10⁴ N/C. What is the distance from the line?

    • A) 0.5 m
    • B) 0.25 m
    • C) 0.1 m
    • D) 2 m

    Answer: 0.5 m

    Explanation: E = λ/(2πε₀r). Option C uses 2π instead of π.