Physics · Semiconductor Devices
Which of the following statements is true regarding Light Emitting Diodes (LEDs)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1LEDs must get intensely hot to emit visible light efficiently.
- 2LEDs require much higher operating voltage levels than traditional incandescent bulbs.
- 3LEDs contain metallic filaments that glow when heated.
- 4LEDs generally require lower operating voltage and energy levels than traditional incandescent bulbs.✓
Correct answer
LEDs generally require lower operating voltage and energy levels than traditional incandescent bulbs.
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