Before measuring an unknown resistance with...

Question 1 / 205eccefa3bacbc34ba4d47f5b

Question 1 of 205eccefa3bacbc34ba4d47f5b

Before measuring an unknown resistance with an analog multimeter set up as an ohmmeter, what should you do?

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Question 1 of 20

5eccefa3bacbc34ba4d47f5b

Before measuring an unknown resistance with an analog multimeter set up as an ohmmeter, what should you do?

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🔍 Key Concepts

• Analog ohmmeter operation and why it uses an internal battery • The meaning of the resistance scale markings: 0 Ω (short) vs ∞ (infinity/open circuit) • Why ohmmeters need zero adjustment before accurate measurements

💭 Think About

• When there is no resistance connected between the test leads, what should the ohmmeter display on its resistance scale? • If the meter’s internal battery voltage is slightly off, what simple step can you take on the meter so that subsequent resistance readings are still accurate? • On an analog ohmmeter, which part of the scale (left, middle, or right) is normally used to represent zero ohms?

✅ Before You Answer

• Look closely at a typical analog ohmmeter: verify where 0 Ω and ∞ (infinity) are located on the scale • Confirm which choice involves physically using the test leads together before measuring an unknown resistance • Check which step explicitly mentions calibration/adjustment of the ohms scale before taking a reading

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Question 1 of 20

Before measuring an unknown resistance with an analog multimeter set up as an ohmmeter, what should you do?

change the meter's batteries

adjust the meter's pointer to mid-scale

center the meter's pointer at infinity

short the test leads and calibrate the meter reading to 'zero'

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Question 1 / 205eccefa3bacbc34ba4d47f5b

Question 1 of 205eccefa3bacbc34ba4d47f5b

Before measuring an unknown resistance with an analog multimeter set up as an ohmmeter, what should you do?

Back

Question 1 of 20

5eccefa3bacbc34ba4d47f5b

Before measuring an unknown resistance with an analog multimeter set up as an ohmmeter, what should you do?

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?

Quick actions

— No credit card needed