Recreational Vehicle (RV) Technician Practice Test

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Get ready for the RV Technician Exam. Study with flashcards and multiple-choice questions. Each query comes with hints and explanations. Prepare for success!

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Resistance in an electrical context is measured in which unit?

Voltage
Amperes
Ohms
Watts

The correct answer is: Ohms

Resistance in an electrical context is measured in Ohms. This unit is named after the German physicist Georg Simon Ohm, who formulated Ohm's Law, which states the relationship between voltage (V), current (I), and resistance (R). According to Ohm's Law, resistance equals voltage divided by current (R = V/I). Ohms measure how much a material opposes the flow of electric current; higher resistance means less current flows at a given voltage. Understanding resistance is crucial for RV technicians, as they often troubleshoot electrical systems and must ensure that all components function correctly without excessive resistance that could lead to system failures or overheating. The other options represent different electrical parameters: Voltage is measured in volts, Amperes measure electric current, and Watts signify power consumption. These units are all integral to electrical work, but they serve different roles and are not synonymous with resistance.