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Rene
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BlakePotential difference between the ends of a conductor refers to the electrical energy difference per unit charge between two points in the conductor. It is commonly known as voltage and is measured in volts. A potential difference is necessary for the flow of electric current in a conductor.
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How is it used to define 1 volt?
One volt is defined as the difference in electric potential between two points in a conductor when one joule of energy is used to move one coulomb of charge from one point to the other. This definition relates voltage to the amount of work done in moving electric charge.
Define voltage in terms of electric potential energy and charge?
Voltage is the electric potential energy per unit charge. It represents the potential difference between two points in an electric field, which determines the force that drives electric charges to move from one point to another. Voltage is measured in volts (V).
Is it possible for a system to have negative potential energy?
Yes. Potential energy can't be specified in absolute terms; you have to arbitrarily define a reference point. For the case of gravitation, any object below the reference point would have negative potential energy. What matters is not the number assigned to the potential energy, but the difference - this difference would be the same, even if you change your reference level.
Which one of the following statements best explains why it is possible to define an electrostatic potential in a region of space that contains an electrostatic field?
It is possible to define an electrostatic potential in a region of space with an electrostatic field because the potential is a scalar field that describes the energy per unit charge at a point in space due to the presence of a source charge distribution. This potential provides a convenient way to describe the behavior of the electric field in that region.
Define heat energy?
Heat energy is the transfer of thermal energy between objects due to a difference in temperature. It flows from an object at a higher temperature to one at a lower temperature until thermal equilibrium is reached.
