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Electric Bulb and Its Working

Name two gase...

Question

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

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Solution

Two gases which are filled in filament type electric bulb are argon and neon.

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Similar questions

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.

Q. Which two gases are present in an electric bulb

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.

Name the element used as filament in electric bulb?

Explain why, filament type electric bulbs are not power efficient.

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