A spherical capacitor has an inner sphere of radius $$12$$ cm and an outer sphere of radius $$13$$ cm. The outer sphere is earthed, and the inner sphere is given a charge of $$2.5$$ μC. The space between the concentric spheres is filled with a liquid of dielectric constant $$32$$. Determine the potential of the inner sphere

Question

A spherical capacitor has an inner sphere of radius $$12$$ cm and an outer sphere of radius $$13$$ cm. The outer sphere is earthed, and the inner sphere is given a charge of $$2.5$$ μC. The space between the concentric spheres is filled with a liquid of dielectric constant $$32$$. Determine the potential of the inner sphere

Infinity Learn · Accepted Answer

V−$$0=QC=Q(b$$−$$a)K4$$πε$$0abor$$ $$V=9$$×$$109$$×$$2.5$$×$$10$$−$$6(0.13$$−$$0.12)32$$×$$0.13$$×$$0.12=450$$ V

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