1.

Calculate the capacitance of a spherical capacitor consisting of two concentric spheres of radius 0.50m, 0.60m. The material filled in the space between the two spheres has a dielectric constant of 6.

Answer» Here, `C = ?, r_(a) = 0.50m`,
`r_(b) = 0.60m, K = 6`
`C = KC_(0) = K (4pi in_(0) r_(a) r_(b))/(r_(b) - r_(a))`
`= (6)/(9xx10^(9)) ((0.5) (0.6))/((0.6 - 0.5)) = 2xx10^(-9)F`.


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