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MRINMOY PATRA

· started a discussion

· 1 Months ago

I have a doubt ! (Question: 393081.0 )

A fluorecent lamp is filled with phosphor material ( namely, zn-silicate) which converts ultra violet radiation caused by samll amount of mercury vapuor into visible radiation, so how the effect could be magnetic.? As the mercury is hetad up due to electric current, and then all these engery spectrum conversions take place, so, heating effect could be more convencing answer. Please clarify ...............

Question:

What other effect of the electric current is also present in the fluorescent lamp and causes losses in the efficiency of the lamp?

Options:
A)

The chemical effect

B)

The magnetic effect

C)

The heating effect

D)

The chemical and the magnetic effect

Solution:

Ans: (b)

Sumit Kumar Singh

· commented

· 1 Months ago

definately.......]
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