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V & E vs Distance
Key Concepts — V & E vs Distance
01
V = kq/r and E = kq/r². Both fall, but V slower than E.
02
E = −dV/dr — field is negative gradient of potential.
03
Plot V vs r: hyperbola decreasing from infinity at r=0 to 0 at r=∞.
V = kq/r and E = kq/r². Both fall, but V slower than E.
E = −dV/dr — field is negative gradient of potential.
Plot V vs r: hyperbola decreasing from infinity at r=0 to 0 at r=∞.