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Electric Bulb and Its Working

Which two gas...

Question

Which two gases are present in an electric bulb

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Solution

argon gas mixed with a little nitrogen is filled in the bulb under some pressure

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Similar questions

Name two gases which are filled in filament type electric light bulbs.

Which one of the following gases is used in electric bulbs?

Q. (a) State Joule's law of heating. Name two gases which are filled in electric bulbs and explain why these gases are filled in electric bulbs.
(b) An electric iron consumes energy at a rate of 840 W, when heating is at the maximum rate. The voltage of electric source is 220 V. Calculate the value of current and the resistance.

Question 3

In an electric bulb, light is produced due to the glowing of

(a) the glass case of the bulb.

(b) the thin filament.

(c) the thick wires supporting the filament.

(d) gases inside the glass case of the bulb.

Q. Two electric bulbs marked 25W 220V and 100W 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse?

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Electric Bulb and Its Working

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