G2 Gas Fitter Practice Exam

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What does the abbreviation 'VOM' refer to when utilizing a multimeter?

Voltage, ohms, milliamps
Volts, ohms, meters
Voltage, ohms, multimeters
Volts, ohms, milliwatts

The correct answer is: Voltage, ohms, milliamps

The abbreviation 'VOM' stands for Voltage, Ohms, and Milliamps. This terminology is crucial for understanding the basic functions of a multimeter, which is an instrument used to measure electrical voltage, resistance, and current. When using a multimeter, these three measurements are essential for troubleshooting and verifying electrical circuits and components. Voltage measurement helps in understanding the potential difference across components. Measuring resistance in ohms allows the technician to check for continuity and verify that components are functioning as expected. Milliamps, representing a measure of current, provides insight into the flow of electricity within a circuit. The other options suggest alternative meanings for the abbreviation, but they do not accurately represent the typical use of 'VOM' or the primary functions of a multimeter. For example, the reference to 'meters' or 'milliwatts' diverges from the commonly accepted terminology and measurement standards associated with multimeters. Understanding the specific roles of voltage, ohms, and milliamps is essential for effectively utilizing a multimeter in practical applications.