Voltage dropspeedrevJune 5, 2024 « Back to Glossary Index The lowering of voltage due to excess length of wire, undersize wire, etc. Loss of voltage encountered across a circuit impedance. Voltage drop across a resistor takes the form of heat released into the air at the point of resistance. Related Articles: Glossary: backward DiodeGlossary: Battery Load TesterGlossary: Battery Spear« Back to Glossary Index