Which of the following is the most likely temperature of the filament of an electric light bulb when it is working on the normal 220 V supply line?

(a) 500°C
(b) 1500°C
(c) 2500°C
(d) 4500°C

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Solution

(c) 2500°C

It is the temperature of an electric bulb filament when it glows.

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Which of the following is the most likely temperature of the filament of an electric light bulb when it is working on the normal 220 V supply line? (a) 500°C (b) 1500°C (c) 2500°C (d) 4500°C

(c) 2500°C It is the temperature of an electric bulb filament when it glows.

Which of the following is the most likely temperature of the filament of an electric light bulb when it is working on the normal 220 V supply line?

(a) 500°C
(b) 1500°C
(c) 2500°C
(d) 4500°C

(c) 2500°C

It is the temperature of an electric bulb filament when it glows.