Two semicircular thin wires of radii R? and R? having same origin "O" are uniformly charged with charge density ?? and ??, as shown in the figure. If the net electric field at "O" is zero, when R?=3.8 R?, then find the ratio ??/??.
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The electric field at point O due to a semicircular wire of radius R and charge density 1 can be calculated using the formula for the electric field due to a ring of charge: E1 = (1/4πε0) * (Q1 / R^2) where ε0 is the permittivity of free space, Q1 is the charge Show more…
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