Ang resistor ang nagliligtas sa LED
The resistor is what keeps the LED alive
2AralinLesson
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Mas maramimore resistance · saferMas kauntiless resistance · danger1000 Ω
7 mAcurrentMahina ang ilawDim — safe, but not bright
12+9V − 2V = 7V · 7V ÷ 1000Ω = 7 mA
Dalhin bring thisAling resistor ang nagpapadaan ng pinakamaraming dots? Ano ang nangyari sa LED?
Which resistor lets the most dots through? Write down what you think happens
to the LED — before you try it.