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Why are LEDs extensively used to replace bulbs?
(i) Consume less electricity
(ii) Have longer life
(iii) Have more power
(i) Consume less electricity
(ii) Have longer life
(iii) Have more power
- a)(i),(ii) and (iii)
- b)Only (ii) and (iii)
- c)Only (i) and (iii)
- d)(i) and (ii)
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
Why are LEDs extensively used to replace bulbs?(i) Consume less electr...
LEDs are extensively used to replace bulbs because they consume less electricity and have a longer life. They do not necessarily have more power; rather, they are known for being more energy-efficient, which makes them a popular choice for lighting.
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Why are LEDs extensively used to replace bulbs?(i) Consume less electr...
Reasons for Using LEDs Over Traditional Bulbs
LEDs (Light Emitting Diodes) have become the preferred choice for lighting solutions, mainly due to their efficiency and longevity. Here’s a detailed explanation of why they are favored over traditional incandescent bulbs.
1. Consume Less Electricity
- Energy Efficiency: LEDs use significantly less electricity compared to traditional bulbs.
- Cost Savings: Lower power consumption translates to reduced electricity bills, making them a cost-effective option over time.
- Environmental Impact: Using less energy means a smaller carbon footprint, which is beneficial for the environment.
2. Have Longer Life
- Durability: LEDs have a lifespan of 15,000 to 50,000 hours, whereas traditional bulbs generally last about 1,000 hours.
- Reduced Replacement Frequency: The longer life of LEDs means less frequent replacements, which saves both time and resources.
- Consistent Performance: Over time, LEDs maintain their brightness better than traditional bulbs, which tend to dim as they age.
3. Have More Power
- Misconception: While LEDs can produce bright light, this doesn’t equate to "more power" used. In fact, they deliver higher luminosity per watt than traditional bulbs.
- Efficiency Over Power: The focus should be on their efficiency and the ability to produce high-quality light with less energy.
Conclusion
The correct answer is option D: (i) and (ii) because LEDs are primarily recognized for their ability to consume less electricity and their longer lifespan, which makes them a superior choice over traditional bulbs. The statement regarding "more power" is misleading in this context, as it pertains to efficiency rather than increased energy consumption.
LEDs (Light Emitting Diodes) have become the preferred choice for lighting solutions, mainly due to their efficiency and longevity. Here’s a detailed explanation of why they are favored over traditional incandescent bulbs.
1. Consume Less Electricity
- Energy Efficiency: LEDs use significantly less electricity compared to traditional bulbs.
- Cost Savings: Lower power consumption translates to reduced electricity bills, making them a cost-effective option over time.
- Environmental Impact: Using less energy means a smaller carbon footprint, which is beneficial for the environment.
2. Have Longer Life
- Durability: LEDs have a lifespan of 15,000 to 50,000 hours, whereas traditional bulbs generally last about 1,000 hours.
- Reduced Replacement Frequency: The longer life of LEDs means less frequent replacements, which saves both time and resources.
- Consistent Performance: Over time, LEDs maintain their brightness better than traditional bulbs, which tend to dim as they age.
3. Have More Power
- Misconception: While LEDs can produce bright light, this doesn’t equate to "more power" used. In fact, they deliver higher luminosity per watt than traditional bulbs.
- Efficiency Over Power: The focus should be on their efficiency and the ability to produce high-quality light with less energy.
Conclusion
The correct answer is option D: (i) and (ii) because LEDs are primarily recognized for their ability to consume less electricity and their longer lifespan, which makes them a superior choice over traditional bulbs. The statement regarding "more power" is misleading in this context, as it pertains to efficiency rather than increased energy consumption.
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Why are LEDs extensively used to replace bulbs?(i) Consume less electricity(ii) Have longer life(iii) Have more powera)(i),(ii) and (iii)b)Only (ii) and (iii)c)Only (i) and (iii)d)(i) and (ii)Correct answer is option 'D'. Can you explain this answer? for Class 8 2026 is part of Class 8 preparation. The Question and answers have been prepared according to the Class 8 exam syllabus. Information about Why are LEDs extensively used to replace bulbs?(i) Consume less electricity(ii) Have longer life(iii) Have more powera)(i),(ii) and (iii)b)Only (ii) and (iii)c)Only (i) and (iii)d)(i) and (ii)Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 8 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Why are LEDs extensively used to replace bulbs?(i) Consume less electricity(ii) Have longer life(iii) Have more powera)(i),(ii) and (iii)b)Only (ii) and (iii)c)Only (i) and (iii)d)(i) and (ii)Correct answer is option 'D'. Can you explain this answer?.
Why are LEDs extensively used to replace bulbs?(i) Consume less electricity(ii) Have longer life(iii) Have more powera)(i),(ii) and (iii)b)Only (ii) and (iii)c)Only (i) and (iii)d)(i) and (ii)Correct answer is option 'D'. Can you explain this answer? for Class 8 2026 is part of Class 8 preparation. The Question and answers have been prepared according to the Class 8 exam syllabus. Information about Why are LEDs extensively used to replace bulbs?(i) Consume less electricity(ii) Have longer life(iii) Have more powera)(i),(ii) and (iii)b)Only (ii) and (iii)c)Only (i) and (iii)d)(i) and (ii)Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 8 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Why are LEDs extensively used to replace bulbs?(i) Consume less electricity(ii) Have longer life(iii) Have more powera)(i),(ii) and (iii)b)Only (ii) and (iii)c)Only (i) and (iii)d)(i) and (ii)Correct answer is option 'D'. Can you explain this answer?.
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