To check for electrical potential at a switch or a load, technicians use a(n).

Unlock all questions

This demo includes only 20 questions. Upgrade to access hundreds of questions, flashcards, exam simulations, and disable ads.

Full question bankExam simulationsFlashcards
From $24.99Unlock all

Prepare for the Commercial Refrigeration II Exam. Utilize multiple choice and flashcard formats, with each question explained for clarity. Ace your exam with confidence!

Multiple Choice

To check for electrical potential at a switch or a load, technicians use a(n).

Explanation:
Voltage is the electrical potential difference you want to know, and a voltmeter is designed to measure that potential between two points. To check the potential at a switch or across a load, you connect the voltmeter across the two terminals, and the reading shows the voltage present there. An ammeter measures current and is placed in series, while an ohmmeter measures resistance and is used with the circuit powered off. A multimeter can measure voltage, current, and resistance, but for directly checking electrical potential, the voltmeter is the most straightforward and appropriate tool.

Voltage is the electrical potential difference you want to know, and a voltmeter is designed to measure that potential between two points. To check the potential at a switch or across a load, you connect the voltmeter across the two terminals, and the reading shows the voltage present there. An ammeter measures current and is placed in series, while an ohmmeter measures resistance and is used with the circuit powered off. A multimeter can measure voltage, current, and resistance, but for directly checking electrical potential, the voltmeter is the most straightforward and appropriate tool.

More Multiple Choice Questions
Subscribe

Get the latest from Examzify

You can unsubscribe at any time. Read our privacy policy