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Physics CBSE Live product
Class 7 (2026-27)
Electricity: Circuits and their components
Efficient Lighting: Filament Lamp vs LED
2.
LED lamp
Question:
2
m.
Pick the correct answer:
1.
What does LED stand for?
Low Energy Device
Light Easy Display
Light Energy Detector
Light Emitting Diode
2.
Which of the following is a feature of LED lamps?
Produces much heat
Gives smoke
Uses more electricity
Saves energy
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