A semi-infinite uniformly charged thread lies along the axis of a circular area of radius R = 1 m, with one end at the centre of the circle. Its linear charge density is λ = 16ε₀. Find the electric flux through the circular area, in V m.
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Question

A semi-infinite uniformly charged thread lies along the axis of a circular area of radius R = 1 m, with one end at the centre of the circle. Its linear charge density is λ = 16ε₀. Find the electric flux through the circular area, in V m.

Options

G1 Physics · Accepted Answer

Step 1: Identify the relevant electrostatic principle—Coulomb's law, superposition, Gauss's law, potential-energy conservation or conductor boundary conditions. Step 2: Write the corresponding equation using the quantities in the question and simplify the geometry. Step 3: Substitute the given values and compare with the alternatives. Final: B: 8.