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Return to: Electric Potential

Electric Potential

Objects naturally move from high potential energy to low potential energy.
Work is required to move an object from low to high potential energy.

Gravitational Potential Energy: the work required to move a mass against a gravitational field
Electric Potential Energy: the work required to move a charge against an electric field

For parallel plates:
The electric field between two parallel plates is uniform, so the force to move a charge within that field will be constant.

W = EqΔx

For point charges:
The closer to the point charge, the stronger the electric field. Thus, the force to move a charge within the e-field is NOT constant.

W12 = ΔPE12 =
∞ is our reference point

W = PE = =

Electric Potential (V):
The work per unit charge required to bring a charge from a very large distance (reference point = ∞) to a particular point in an electric field

units: J/C = Volt
by Jessica
March 16th, 2012, 3:48 pm
Forum: Science Topics
Topic: Electric Potential
Replies: 0
Views: 2,615

Return to: Electric Potential

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