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filament lamp: cost-80p efficiency-0.2 expected

filament lamp:cost-80p efficiency-0.2 expected life- 1000 hours compact fluorescent lamp (CFL): cost- £3.00 efficiency-0.8
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2. asked by sam
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1A)A filament lamp- cost- 80p effiency- 0.2 expected life- 1000 hours a compact fluorescent lamp (CFL)- cost- £3.00 effiency-
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2. asked by 4611star
3. 551 views
A filament lamp-cost- 80p effiency- 0.2 expected life- 1000 hours a compact fluorescent lamp (CFL)- cost- £3.00 effiency- 0.8
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2. asked by 4611star
3. 968 views
The lowest resistance in a common electric circuit containing a common lamp is in which of these A) connecting wires.B) Both of
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2. asked by Christy
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A 100W incandescent lamp of filament area 45 mm^2, emits all its energy by radiation into the surrounding space of room at 22C.
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2. asked by Tsunayoshi
3. 507 views
There are electrons in the filament of the ac lamp in your bedroom. When you turn on the lamp and it glows, the glowing comes
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2. asked by Jim
3. 580 views
There are electrons in the filament of the ac lamp in your bedroom. When you turn on the lamp and it glows, the glowing comes
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2. asked by Jim
3. 1,186 views
Describe the spectrum of the light from a fluorescent lamp and from an incandescent (tungsten filament) lamp, and try to explain
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2. asked by Jon
3. 1,438 views
A lamp filament is made of tungsten. Why do we get a continuous spectrum rather than a tungsten line spectrum when light from an
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2. asked by shelly
3. 1,382 views
An incandescent lamp is marked '120v,75W'a)what is the current in the lamp under normal condition of operation? b)How much does
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2. asked by Charles
3. 695 views