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What is electric potential energy?
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Electric potential energy is the energy that a charged object possesses due to its position in an electric field.
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How is electric potential energy related to work done?
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Electric potential energy is the work done in moving a charge from infinity to a point in an electric field.
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What is the formula for electric potential energy?
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The formula is U = k * q1 * q2 / r, where U is the electric potential energy, k is Coulomb's constant, q1 and q2 are the charges, and r is the distance between them.
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What units is electric potential energy measured in?
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Electric potential energy is measured in Joules (J).
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How does the position of a charge within an electric field affect its potential energy?
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A charge has higher potential energy when it is farther from the opposite charge and lower potential energy when closer.
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What is the difference between electric potential energy and electric potential?
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Electric potential is the potential energy per unit charge, while electric potential energy is the total energy due to the position of a charge in a field.
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Describe a situation where electric potential energy is converted to kinetic energy.
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When a charged particle accelerates in an electric field, its potential energy is converted to kinetic energy.
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What role does electric potential energy play in a capacitor?
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In a capacitor, electric potential energy is stored in the electric field between the plates.
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How does electric potential energy affect chemical processes in cells?
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In cells, electric potential energy influences processes like the movement of ions across membranes, which are essential for cell function.
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Why is electric potential energy considered a scalar quantity?
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Electric potential energy is scalar because it only has magnitude and does not depend on direction.
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Can electric potential energy be negative and what does that signify?
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Yes, negative electric potential energy indicates attraction between opposite charges.
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How does electric potential energy influence an electric circuit's operation?
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It determines the energy available to move charges through the circuit, influencing components like resistors and capacitors.
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What is the relationship between electric potential energy and voltage?
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Voltage is the measure of electric potential energy per unit charge between two points.
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Explain the concept of equipotential surfaces.
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Equipotential surfaces are surfaces on which all points have the same electric potential energy.
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How does distance influence electric potential energy between two charges?
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Electric potential energy decreases as the distance between two like charges increases and increases with opposite charges.
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