The rate of change of potential with respect to distance is called potential gradient. its unit is volt per meter or newton/coulomb.
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(-1.5,0) (1.5,0) what is the gradient?
Draw a tangent to the curve at the point where you need the gradient and find the gradient of the line by using gradient = up divided by across
It isn't. Voltage can be compared to the GRAVITATIONAL POTENTIAL, which is a concept that is related, but different from, gravitational potential energy.Voltage is the energy change PER UNIT CHARGE between two points. Gravitational potential is the energy PER UNIT MASS between two points.
A positive gradient goes uphill from left to right A negative gradient goes downhill from left to right
If the gradient is a positive number the curve is increasing, and if the gradient is a negative number it is decreasing.