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Which lamp has the highest energy efficiency?

AIncandescent Lamp

BLED Lamp

CCFL

DArc Lamp

Answer:

B. LED Lamp

Read Explanation:

  • LED stands for light emitting diode.
  • LEDs are used as indicator lamps in many devices, and are increasingly used for lighting.
  • These have lower energy consumption, longer lifetime, smaller size, faster switching as compared to other light sources used in our daily life.

Related Questions:

Two charges interact even if they are not in contact with each other.
Two resistors R1, and R2, with resistances 2Ω and 3Ω, respectively, are connected in series to a 15V battery source. The current across R2 (in A) is?
ഒരു ജനറേറ്ററിന്റെ കറങ്ങുന്ന ഭാഗത്തെ _____ എന്നു പറയുന്നു
The flux of total energy flowing out through a closed surface in unit area in unit time in electric magnetic field is

The value of electric charge on any objects cannot be less than:

(A) 4.8x10-19C

(B)1.6x10-19C

(c)3.2X10-19C

(D)1C