The battery or cell serves as a source of electrical energy. The chemical reaction within the cell generates a potential difference between its terminals, initiating the flow of electrons and establishing a current in a connected circuit.
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The battery or cell serves as a source of electrical energy. The chemical reaction within the cell generates a potential difference between its terminals, initiating the flow of electrons and establishing a current in a connected circuit.
The primary function of a battery or cell in an electric circuit is to provide a source of electrical energy. Batteries are electrochemical devices that convert chemical energy into electrical energy. When connected to a circuit, a battery establishes a potential difference (voltage) that creates an electric field. This electric field drives the flow of electrons through the conductive path of the circuit, allowing electrical current to do work. The energy stored in the battery is thus made available to power various electronic devices, such as flashlights, smartphones, or other electrical appliances, making batteries a portable and versatile source of electrical power.