Why do you lose less power to resistance when transmitting high voltages than when transmitting high currents?
The `V` in `P = V^2 / R` isn't the line voltage, it's the voltage drop across the line. Very important detail. The higher you can drive the voltage, the lower the current.
The Short Answer
The `V` in `P = V^2 / R` isn't the line voltage, it's the voltage drop across the line. Very important detail. The higher you can drive the voltage, the lower the current. The lower the current, the lower the voltage drop. > Why is it that when talking about resistance losses, formulas always frame current as the independent variable, but not voltage? Largely to avoid the mistake many people make by assuming resistive loss uses voltage and not the voltage drop across the component.
Analysis
Key Concepts: Voltage, drop, lower
This explanation focuses on voltage, drop, lower and spans 83 words across 6 sentences. The depth is typical for Nature questions (category average: 71 words), striking a balance between accessibility and completeness.
What This Answer Covers
The explanation opens with: “The `V` in `P = V^2 / R` isn't the line voltage, it's the voltage drop across the line.” It then elaborates by presenting a contrasting perspective, ultimately building toward a complete picture across 6 connected points.
How This Compares in Nature
Ranked #177 of 500 Nature questions by answer depth (top 36%). This falls in the detailed tier — above average depth. The explanation goes beyond surface-level but keeps things accessible.
Frequently Asked Questions
Is there a simple explanation for why you lose less power to resistance when transmitting high voltages than when transmitting high currents?
The `V` in `P = V^2 / R` isn't the line voltage, it's the voltage drop across the line. Very important detail. The higher you can drive the voltage, the lower the current. The lower the current, the lower the voltage drop. > Why is it that when…
How detailed is this explanation compared to similar Nature questions?
This is an above-average answer at 83 words, ranked #177 of 500 Nature questions by depth. The key concepts covered are voltage, drop, lower.
What approach does this answer take to explain you lose less power to resistance when transmitting high vol?
The explanation uses contrasting perspectives across 83 words. It is categorized under Nature and addresses the question through 1 analytical lens.