P26_007 - 7. Assuming conservation of volume, we find the...

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Unformatted text preview: 7. Assuming conservation of volume, we find the radius of the combined spheres, then use C = 4πε0 R to find the capacitance. When the drops combine, the volume is doubled. It is then V = 2(4π/3)R3 . The new radius R is given by 4π 4π (R )3 = 2 R 3 , 3 3 so R = 2 1/ 3 R . The new capacitance is C = 4πε0 R = 4πε0 21/3 R = 5.04πε0 . ...
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.

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