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Which of the following is the SI unit of electric potential difference?
Watt
Coulomb
Volt
Ampere
Volt
The SI unit of electric potential difference, commonly known as voltage, is the Volt. It is defined as the potential difference between two points in a current-carrying conductor when 1 joule of work is done to move a charge of 1 coulomb from one point to the other.
The SI unit of electric potential difference, commonly known as voltage, is the Volt. It is defined as the potential difference between two points in a current-carrying conductor when 1 joule of work is done to move a charge of 1 coulomb from one point to the other.
Think of voltage like water pressure in a pipe; just as pressure drives water flow, voltage (potential difference) provides the 'push' required to make electric charge flow through a circuit.
V-W-Q: Very Wild Quanta (V = W/Q)
V=QWтАЛ тАФ Relationship between potential difference, work done, and charge
V=I├ЧR тАФ Ohm's Law relationship between potential difference, current, and resistance
Electric potential difference (V) arises due to the work (W) done by an external force or field to move a unit positive charge (Q) between two points. Mathematically, this is expressed as V=QWтАЛ. The volt is named in honor of the Italian physicist Alessandro Volta.
The SI unit of electric potential difference is Volt (V).
1 Volt is equivalent to 1 Joule per Coulomb (1V=1J/C).
An ideal voltmeter has infinite resistance to avoid drawing current from the circuit.
Potential difference is measured by connecting a voltmeter in parallel across the components.
Measuring the electrical potential of battery cells
Determining the voltage drop across resistors in electronic circuits
A) Watt is the SI unit of power.
B) Coulomb is the SI unit of electric charge.
D) Ampere is the SI unit of electric current.
C is correct тАФ The Volt is the standard SI unit used to quantify electric potential difference between two points.
Always remember that current (I) flows from higher potential to lower potential; the source of this 'push' is the potential difference (V) provided by a battery or power supply.
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