Side by side stack drivers are mounted on:

This question was previously asked in
RRB ALP Electronics Mechanic 23 Jan 2019 Official Paper (Shift 2)
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  1. SMPS
  2. LED Drivers
  3. Low Power Supply
  4. UPS

Answer (Detailed Solution Below)

Option 2 : LED Drivers
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Detailed Solution

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The correct answer is option 2.

  • An LED driver is a self-contained power supply that regulates the power required for an LED or array of LEDs.
  • An LED light driver is somewhat like cruise control in a car, the power level required changes throughout the LED’s temperature increases and decreases.
  • Without the correct LED light driver the LEDs would become too hot and unstable resulting in failure and bad performance.
  • Side-by-side stack drivers are mounted on LED Drivers to ensure better performance of LED driver

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