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Which lamp is the most efficient? And which lamp would get the hottest when it is working?

Which lamp is the most efficient? And which lamp would get the hottest when it is working?
asked 62.5k views
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Which lamp is the most efficient? And which lamp would get the hottest when it is working?

Which lamp is the most efficient? And which lamp would get the hottest when it is-example-1
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User Eivamu
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1 Answer

1 vote

The 20 watt energy-saving lamp is the most efficient, and the 100 watt filament lamp would get the hottest while it is working.

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User Walker Hale IV
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