- #1
jennyyyy
- 2
- 0
Homework Statement
Show that the energy associated with a conducting sphere of radius R and charge q surronded by a vacuum is given by u=kq^2/(2R).
What have you attempted thus far?Physics Forums Global Guidelines said:Homework Help:
NOTE: You MUST show that you have attempted to answer your question in order to receive help.
Show that the energy u associated with a conducting sphere ... is given by [itex]k q^2 / (2 R)[/itex]
A HELP conducting sphere is a scientific instrument used to measure the electrical properties of materials. It consists of a spherical shell made of a conductive material, such as metal, with a small hole in the center for inserting a sample.
A HELP conducting sphere is used in a technique called impedance spectroscopy, where the electrical impedance of a material is measured at different frequencies. The sample is placed inside the sphere, and an alternating current is passed through it. The resulting voltage is then measured to determine the electrical properties of the sample.
A HELP conducting sphere offers several advantages over other techniques for measuring electrical properties. It provides a non-destructive and non-invasive method for testing materials, and it can measure a wide range of frequencies with high accuracy.
A HELP conducting sphere can be used to test a wide range of materials, including solids, liquids, and gases. It is commonly used in the study of polymers, ceramics, and biological materials.
While a HELP conducting sphere is a valuable tool for measuring electrical properties, it does have some limitations. It is not suitable for measuring highly conductive materials, such as metals, and it may not provide accurate measurements for materials with complex structures or multiple phases.