82. Electric Potential of Charged Disc

82. Electric Potential of Charged Disc - Electric Potential...

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Electric Potential of Charged Disk Area of ring: 2 πada Charge on ring: dq = σ (2 πada ) Charge on disk: Q = σ ( πR 2 ) Find the electric potential at point P on the axis of the disk. dV = k dq x 2 + a 2 = 2 πσk ada x 2 + a 2 V ( x ) = 2 πσk Z R 0 ada x 2 + a 2 = 2 πσk h p x 2 + a 2 i R 0 = 2 πσk h p x 2 + R 2 - | x | i Electric potential at large distances from the disk
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This note was uploaded on 04/30/2008 for the course PHYS 204 taught by Professor Andrevantonder during the Spring '07 term at Rhode Island.

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