Voltage, also known as electric potential difference, is a measure of the electrical potential energy per unit charge between two points in an electrical circuit. In simpler terms, voltage is the force that drives electric current through a circuit.
Voltage is measured in volts (V) and is represented by the symbol V. Voltage is typically generated by a power source such as a battery, generator, or power supply. When a circuit is connected to a voltage source, a potential difference is created, causing electric charge to flow through the circuit. This flow of charge is known as electric current.
The amount of electric current that flows through a circuit is determined by the voltage and the resistance of the circuit. Ohm's law states that the current flowing through a circuit is directly proportional to the voltage and inversely proportional to the resistance.
In order for voltage to work properly, the circuit must be complete and unbroken, with no gaps or breaks in the wiring. If there is a break in the circuit, the flow of electric current will be interrupted and the device or equipment being powered by the circuit will stop working.
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