A capacitor is made up of two concentric spherical conducting shells separated by vacuum. The inner sphere has a radius of 12.5 cm, and the outer sphere has a radius of 14.8 cm. A potential difference of 120 V is applied to the capacitor. a) What is the capacitance of the capacitor?: C=______pF. b) What is the charge stored in the capacitor? : Q=______nC. c) What is the energy stored in the capacitor?: U=______µJ. d) If the gap between the two shells is filled with a dielectric of constant k=25, what is the new capacitance of the capacitor?: C=______nF.
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.
A capacitor is made up of two concentric spherical
a) What is the capacitance of the capacitor?: C=______pF.
b) What is the charge stored in the capacitor? : Q=______nC.
c) What is the energy stored in the capacitor?: U=______µJ.
d) If the gap between the two shells is filled with a dielectric of constant k=25, what is the new capacitance of the capacitor?: C=______nF.
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