NATE HVAC Exam Prep 11, Voltage Current Resistance and Power

This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - How to apply Ohm's Law and Watt's Law to calculate voltage, current, resistance, and power in HVAC circuits. - Why a ten percent drop in voltage results in a nineteen percent loss in resistive heating power output. - How to interpret voltage drop readings across closed contactor contacts to identify high-resistance faults. - Essential safety and technical procedures for measuring resistance and continuity without damaging digital multimeters. - How to apply the memorable mnemonic Volts Push, Amps Flow, Ohms Slow, Watts Grow to master electrical troubleshooting on test day. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep