Which of the meters listed should only be...

Question 1 / 205eccefa3bacbc34ba4d47f63

Question 1 of 205eccefa3bacbc34ba4d47f63

Which of the meters listed should only be used after a circuit has been electrically de-energized?

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Question 1 of 20

5eccefa3bacbc34ba4d47f63

Which of the meters listed should only be used after a circuit has been electrically de-energized?

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🔍 Key Concepts

• Difference between measuring voltage, current, resistance, and power • What happens if you connect a meter in series vs. in parallel with a live circuit • Why some meters can be safely used on energized circuits, while others must be used with power secured and tagged out

💭 Think About

• Think about what an ohmmeter actually measures internally and how it does that. Does it send its own current through the circuit, or does it just sense what is already there? • Which of these instruments is normally connected to a circuit that is already energized during normal operation on a ship? Which one would be damaged or give a false reading if the circuit is live? • For each meter type, ask: is it designed to read conditions in a working circuit, or to check the circuit’s condition before it is energized?

✅ Before You Answer

• Verify which instrument requires the circuit to be isolated and de-energized to avoid damage or incorrect readings • Confirm which meters are routinely used on live electrical panels (like engine room switchboards) for normal monitoring • Make sure you understand the basic function of an ohmmeter compared to ammeters, wattmeters, and frequency meters before choosing your answer

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Question 1 of 20

Which of the meters listed should only be used after a circuit has been electrically de-energized?

Frequency meter

Ammeter

Wattmeter

Ohmmeter

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Question 1 / 205eccefa3bacbc34ba4d47f63

Question 1 of 205eccefa3bacbc34ba4d47f63

Which of the meters listed should only be used after a circuit has been electrically de-energized?

Back

Question 1 of 20

5eccefa3bacbc34ba4d47f63

Which of the meters listed should only be used after a circuit has been electrically de-energized?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

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— No credit card needed