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LEDs quiz
3 questions · instant explanations
Quiz questions
Question 1 of 30 correct
Which leg of an LED is positive?
Want a refresher? Read the LEDs lesson.
Read the lessonAsk a parent, teacher, or trusted adult before building, powering a circuit, using tools or batteries, or buying parts. Purchases are optional and at your own cost. If anything gets hot, smells burnt, leaks, swells, sparks, or moves unexpectedly, switch off or disconnect power without touching the damaged or hot part, then tell an adult. Read safety rules
3 questions · instant explanations
Want a refresher? Read the LEDs lesson.
Read the lesson