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LOAD

An electrical load is an electrical component or portion of a circuit that consumes (active) electric power.

open circuit





closed circuit


Whereas the voltage source by itself was an open circuit, adding the load makes a closed circuit and allows charge to flow. This current places a voltage drop across, so the voltage at the output terminal is no longer The output voltage can be determined by the voltage division rule:


V_{{OUT}}=V_{S}\cdot {\frac {R_{{L}}}{R_{{L}}+R_{S}}}






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