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Topic "Concentric spheres" was discussed 24 times on 18 sites in last 3 months

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concentric spheres was discussed on the following sites:

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Latest threads on concentric spheres:

Spinning concentric spheres

Started 4 weeks, 1 day ago (2009-10-17 00:00:00) by Steve Nelson

Imagine a machine that consists of three perfectly balanced concentric spheres. (ie one iside the other russian doll fashion). Each of these spheres has a magnetic ring around its equator. Using electromagnetic techniques these spheres are suspended in a vacum space and using some form of electromagnetic coupling it is possible to rotate each sphere independently around a seperate axis x,y,z. If ...

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Charged concentric metal spheres

Started 2 weeks, 6 days ago (2009-10-26 11:44:00) by ChrisBaker8

1. The problem statement, all variables and given/known data Two concentric metal spheres have radii R1 =10cm and R2=10.5cm. The inner sphere has a charge of Q=5 nC spread uniformly over its surface, and the outer sphere has charge −Q spread uniformly over its surface. Calculate the total energy stored in the electric field between the spheres. (Hint...

Source: Physics Help and Math Help - Physics Forums

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Re: Charged concentric metal spheres

Started 2 weeks, 5 days ago (2009-10-26 12:16:00) by Andrew Mason

Use Gauss' law or Coulomb's law to calculate the field between the spheres: It is not quite, but approximately equal over the .5 cm distance between spheres. The potential difference between the spheres is V = Ed (in volts or joules/coulomb). Since potential difference is the energy in joules per coulomb of charge: U = QV AM

Source: Physics Help and Math Help - Physics Forums

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