What is electric potential difference?

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By definition, the electric potential difference is the difference in electric potential (V) between the final and the initial location when work is done upon a charge to change its potential energy.Potential difference is the difference in the amount of energy that charge carriers have between two points in a circuit. ... A potential difference of one Volt is equal to one Joule of energy being used by one Coulomb of charge when it flows between two points in a circuit.

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The electric potential at a point is defined as the work done in moving a unit positive charge from infinity to that point.
SI unit of potential difference is Volt. It is denoted by the letter V.

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Attractions of +ve charges from infinity to a potential Point ..

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The difference in electric potential between two points in an electric field; the work that has to be done in transferring unit positive charge from one point to the other, measured in volts. Symbol: U, ΔV or Δφ

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What is Electric Potential Difference?
Electric potential difference, often referred to as voltage, is a fundamental concept in the field of electricity and electronics. It represents the work done per unit charge to move a positive charge from one point to another in an electric field.
Definition
- Electric potential difference is defined as the difference in electric potential between two points in a circuit.
- It is measured in volts (V), where 1 volt equals 1 joule of work done per coulomb of charge.
Understanding Potential Difference
- Work Done: When a charge moves through an electric field, work is done against the field. This work results in a change in the electric potential energy of the charge.
- Direction of Flow: Electric potential difference determines the direction of current flow in a circuit. Current flows from a higher potential to a lower potential.
- Measuring Voltage: Voltage can be measured using a device called a voltmeter, which is connected in parallel to the components across which the potential difference is being measured.
Importance of Electric Potential Difference
- Circuit Functionality: It is crucial for the operation of electrical devices and circuits, enabling the flow of electric current.
- Energy Transfer: Voltage is essential for energy transfer in electrical systems, powering everything from light bulbs to complex machinery.
- Safety: Understanding potential difference helps in designing circuits that are safe and efficient, minimizing risks of electric shocks or equipment damage.
In summary, electric potential difference is a key concept that underpins all electrical phenomena, influencing how devices operate and how energy is transmitted through circuits.

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