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Mohd Taqi
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About the formula deltaPE=-qE(deltaX) .. Whats the negative sign means ?
The formula for electric potential energy is deltaPE = -qE (deltaX), where deltaPE represents the change in electric potential energy, q represents the charge of the object, E represents the electric field strength, and deltaX represents the displacement of the object in the electric field.
Electric potential energy is related to electric potential through the equation PE = qV, where PE represents the electric potential energy, q represents the charge of the object, and V represents the electric potential. This relationship shows that electric potential energy is directly proportional to electric potential.
The negative sign in the electric potential energy formula represents the direction of the electric force. It indicates that the electric force is in the opposite direction of the displacement of the object in the electric field.
Changing the distance between two charged objects affects the electric potential energy according to the inverse square law. As the distance between the objects decreases, the electric potential energy increases, and as the distance increases, the electric potential energy decreases.
Electric potential energy is a scalar quantity, meaning it has magnitude but no direction. This is because it represents the amount of energy that a charged object possesses in an electric field, without taking into account the direction of the electric force.