- Wrong mode selected → No reading.
- Probes reversed in DC mode → Reading may show “–” sign (still okay).
- Loose probe contact → Fluctuating or no readings.
- Testing voltage in continuity mode → Can damage the multimeter.
Lesson 1: Where Does the Current Go?
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Lesson 2: Wire Me Right!
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Lesson 3: Know the Color Code
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Lesson 4: Check My Circuit!
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Lesson 5: Series vs. Parallel Showdown
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