Identify the WRONG statement from the options given below.

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ALP CBT 2 Electronic Mechanic Previous Paper: Held on 21 Jan 2019 Shift 2
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  1. In LED TV, the LEDs can be placed on the edges too.
  2. Both LCD and LED TVs use an LCD screen for display.
  3. LEDs are used for backlighting the LCD screen of LED TV.
  4. CFLs are used for backlighting the LCD screen of LED TV

Answer (Detailed Solution Below)

Option 3 : LEDs are used for backlighting the LCD screen of LED TV.
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Detailed Solution

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Comparison between LED TV and LCD TV

LED TV

LCD TV

LED : Light emitting diode

LCD: Liquid crystal display

It is pn junction device

LCD is an optical device

LED TV uses LEDs backlight

LCD TV use fluorescent backlight

Better picture quality

Not up to the level

Thinner than LCD TV

Thicker in size

Very costly

Less costly

More power required

Less Power required

LCD uses fluorescent backlight and not LED backlighting. 

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