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Question

For which of the following purposes are low voltage lamps used?

This question was previously asked in
RRB ALP 2018 CBT 2 Fitter Question Paper (21-Jan-2019) (Shift 3)
The correct answer is
Automotive lighting

Low Voltage Lamps Applications Explained

Low voltage lamps operate at voltages considered below standard mains supply levels (e.g., typically below 50V). This characteristic defines their primary application areas.

Analyzing Lighting Purpose Scenarios

The question asks for the purpose where low voltage lamps are primarily used. Let's review the options:

  • Stadium lighting: Generally requires high-intensity lighting over large areas, often utilizing high-voltage or high-power systems.
  • Industrial lighting: Typically needs robust and bright lighting for workspaces, usually powered by standard mains voltage.
  • Automotive lighting: Vehicles operate on a low voltage electrical system (commonly 12V or 24V DC). Headlights, brake lights, and indicator lights in cars, trucks, and other vehicles are powered by these low voltage systems, thus requiring low voltage lamps.
  • Flood lighting: While some smaller floodlights might be low voltage, large-scale floodlighting for buildings or events often requires higher power and potentially higher voltage systems.

Identifying the Correct Application

Considering the standard electrical systems used in each scenario, automotive lighting stands out as the most definitive and widespread application for low voltage lamps.

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