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  • Understanding Voltage: The Driving Force Behind Electrical Current
    The force that pushes the current around a circuit is called voltage.

    Here's a breakdown:

    * Voltage is the difference in electrical potential between two points. It's like a pressure difference that drives the flow of charge.

    * Current is the flow of electrical charge. It's like the amount of water flowing through a pipe.

    Think of a water analogy:

    * Voltage is like the difference in water level between two points. The greater the difference, the more water will flow.

    * Current is like the amount of water flowing through a pipe. The higher the voltage (pressure difference), the more current (water flow) you get.

    Here's how voltage pushes current:

    1. Battery or Power Source: A battery or other power source creates a voltage difference. It has a positive (+) terminal and a negative (-) terminal.

    2. Circuit Path: The circuit provides a path for the current to flow, connecting the positive and negative terminals of the power source.

    3. Electron Flow: Electrons, which are negatively charged, are attracted to the positive terminal and repelled by the negative terminal. They flow from the negative terminal to the positive terminal, creating a current.

    In summary: Voltage is the driving force that pushes current around a circuit. Without voltage, there would be no current flow.

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