A capacitor is made of a solid metal sphere of radius a = 2cm and a spherical thin metal shell of radius b = 6cm. The insulator between the two metal electrodes has a relative permittivity equal to 9. What is the capacitance C of the structure? 12.7 pF 30 pF 100 mF - 33 pF

A capacitor is made of a solid metal sphere of radius a = 2cm and a spherical thin metal shell of radius b = 6cm. The insulator between the two metal electrodes has a relative permittivity equal to 9. What is the capacitance C of the structure? 12.7 pF 30 pF 100 mF - 33 pF

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter17: Resistive-inductive Series Circuits

Section: Chapter Questions

Problem 2PP: Assume that the voltage drop across the resistor, ER, is 78 V, that the voltage drop across the...

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Capacitor

The capacitor is an element used to store electrical energy in the electrical field. A capacitor is a form of passive energy.

Question

A capacitor is made of a solid metal sphere of radius a = 2cm and a spherical thin metal shell of radius b = 6cm. The insulator between the two metal electrodes has a relative
permittivity equal to 9. What is the capacitance C of the structure?
O
12.7 pF
O 30 pF
O 100 mF
O-33 pF

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