Question

# Define 'Linear charge density' and surface charge density at a point.

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Solution

## Linear charge density:-The linear charge density is a ratio of a particle's charge dq (situated in a infinite line ) to the infinitesinal line element (thw samll length where the element is situated)line charge density λ=aqdetotal charge q=∫L0λdlSurface charge density :-the surface charge density is a ratio of the charge on the particular surface to the area of surface (ds)Surface charge density, 6=dqdstotal charge, q=∫s06(r)ds

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