Why are LEDs extensively used to replace bulbs?(i) Consume less electr...
LEDs are extensively used to replace bulbs because they consume less electricity, have longer life and have more power.
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Why are LEDs extensively used to replace bulbs?(i) Consume less electr...
Introduction:
LEDs (Light Emitting Diodes) have become increasingly popular and are extensively used to replace traditional bulbs. This is primarily due to their numerous advantages over conventional bulbs. The correct answer is option D, which includes all the given reasons (i), (ii), and (iii). Let's explore each of these reasons in detail.
(i) Consume less electricity:
One of the main advantages of LEDs is that they consume significantly less electricity compared to traditional bulbs. LEDs are highly efficient in converting electrical energy into light energy, resulting in lower energy consumption. They require less power to operate and can save up to 80% energy compared to incandescent bulbs. This not only reduces electricity bills but also helps in conserving energy and reducing carbon footprint.
(ii) Have longer life:
LEDs have a much longer lifespan compared to traditional bulbs. While traditional bulbs typically last for a few thousand hours, LEDs can last for tens of thousands of hours. LED manufacturers often provide a rated lifespan, which is the estimated time until the LED's brightness decreases to a certain level (usually 70% or 50% of its initial brightness). This longer lifespan reduces the frequency of bulb replacements, saving both money and resources.
(iii) Have more power:
LEDs are known for their high power efficiency. They can produce more light output (lumens) per unit of electrical power (watt) compared to traditional bulbs. This means that LEDs can provide brighter illumination while consuming less electricity. The power of an LED is determined by its wattage rating, and even low-wattage LEDs can produce a significant amount of light. This makes LEDs suitable for various applications, from residential lighting to industrial and commercial lighting.
Conclusion:
LEDs are extensively used to replace traditional bulbs due to their numerous advantages. They consume less electricity, have a longer lifespan, and provide more power-efficient lighting. These factors contribute to energy savings, cost savings, and environmental sustainability. As a result, the use of LEDs has become widespread in various lighting applications, and they continue to evolve with advancements in technology.