Question

LEDs are extensively used to replace . bulbs because:

• A. they consume less electricity
• B. they have a short life
• C. they have more power
• D. all of the above

Answer 1

Answer: (A)

they consume less electricity

A light-emitting diode (LED) is a two-lead semiconductor light source. it is a p-n junction diode, which emits light when activated. LEDs have more power, more life time and consume less electricity than a bulb, thus these are extensively used to replace bulbs.