In a parallel circuit, how does the voltage drop across each resistor compare to the applied source?

In a parallel circuit, the voltage drop across each resistor is equal to the applied source voltage. This characteristic arises from the nature of parallel connections, where each resistor is directly connected across the same two points of the circuit. As a result, they all experience the same voltage provided by the power source.

When resistors are connected in parallel, the total voltage in the circuit does not change among the branches. Each resistor draws current according to its resistance value while maintaining the full supply voltage. Thus, regardless of the individual resistance values, the voltage across each resistor remains consistent with the voltage supplied by the source. This is a fundamental principle of parallel circuits and is critical for understanding how they function compared to series circuits, where the voltage would be divided among the resistors.