1.

Which of the following is the most likely temperature fo the filament of an electric light bulb when it is working on the normal 220 V supply line?(a) 5000C (b) 15000C (c) 25000C (d) 45000C

Answer»

Which of the following is the most likely temperature fo the filament of an electric light bulb when it is working on the normal 220 V supply line?
(a) 5000C
(b) 15000C
(c) 25000C
(d) 45000C



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