Chapter 3 - Polynomial and Rational Functions - 3.6 Variation - 3.6 Exercises - Page 389: 34

$100\ amps$

Step 1. Assume $I\ (amps)$ is the current in a simple electrical circuit. Step 2. Assume $R\ (ohms)$ is the resistance. Step 3. From the given conditions, we have $I=k/R$ and $50=k/10$, thus $k=500$ Step 4. For $R=5\ (ohms)$ , we have $I=500/5=100\ amps$