Fuvest 2018 primeira fase - V 10 - Atualmente são usados LEDs (Light Emitting Diode) na

Live Physics Session with Professor Penguin ► One question per day from the main university entrance exams First phase Fuvest 2018 Instagram @pinguimvideofisica   / videofisica   Teaching Platform: http://pinguim.videofisica.com.br Fuvest 2018 Exam V Question 10 Currently, LEDs (Light Emitting Diodes) are used in domestic lighting. LEDs are semiconductor devices that conduct electric current in only one direction. In the figure, there is a power supply circuit for an 8.0W LED (L), which operates at 4.0V, being powered by a 6.0V source (F).