A cylindrical capacitor consists of a solid inner conducting core with radius 0.210 cm, surrounded by an outer hollow conducting tube. The two conductors are separated by air, and the length of the cylinder is 12.5 cm. The capacitance is 37.5 pF Part A Calculate the outer radius of the hollow tube. Express your answer in centimeters. ст Submit Request Answer Part B When the capacitor is charged to 125 V, what is the charge per unit length A on the capacitor? Express your answer in coulombs per meter. C/m

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Dielectric Constant Of Water

Water constitutes about 70% of earth.  Some important distinguishing properties of water are high molar concentration, small dissociation constant and high dielectric constant.

Electrostatic Potential and Capacitance

An electrostatic force is a force caused by stationary electric charges /fields. The electrostatic force is caused by the transfer of electrons in conducting materials. Coulomb’s law determines the amount of force between two stationary, charged particles. The electric force is the force which acts between two stationary charges. It is also called Coulomb force.