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What is the reason for filling sealing wax in the space between the terminals of the bulb?
Sealing wax is used around the terminals of a bulb to prevent moisture and air from entering. It helps to maintain a vacuum inside the bulb for efficient operation and to prevent corrosion of the terminals.
Which gasses are used in electric bulbs?
Electric bulbs are typically filled with inert gases such as argon, krypton, or xenon. These gases help prevent oxidation of the filament inside the bulb, allowing it to glow brightly without burning out quickly.
Which non metal is used in fluorescent bulbs in display advertisements?
Phosphor is a non-metal that is commonly used in fluorescent bulbs in displays and advertisements. Phosphor coatings on the interior of the bulb react with the UV light emitted by the gas inside the bulb, producing visible light.
What element is essential in a light bulb?
In the old style filament lightbulbs it was tungsten (wolfram).
How is electrolysis used in the extraction of metal from its ore?
Electrolysis is used in the extraction of metals from their ores by passing an electric current through a molten or dissolved metal compound. This process causes the metal ions to gain or lose electrons, resulting in the deposition of pure metal at the electrode.
When was the first electric light bulb used?
where was the first light bulb used
Which metal is used in making filament of a bulb?
The metal is Tungsten.
When did the electric light bulb get widely used?
In the 1880s.
What is the metal used for electric wire?
Copper and aluminum used for electric wires
When was electricity used to power the light bulb?
The first electric light bulb was made in 1880
Which material will allow electricity to flow between a battery and alight bulb?
A metal conductor, such as copper wire, is commonly used to allow electricity to flow between a battery and a light bulb. Metal conductors have a high number of free electrons that can carry electric current easily.
What does the reading 100W-220V on an electric bulb indicate?
The reading "100W-220V" on an electric bulb indicates that it is a 100-watt bulb designed to be used with a voltage of 220 volts. This information helps ensure that the bulb is used with the correct power supply to operate efficiently and safely.
What materials are used in the construction of a light bulb?
A light bulb is typically made of a glass bulb, a tungsten filament, and a metal base. The glass bulb encloses the filament and is filled with an inert gas like argon or nitrogen. The filament is made of tungsten, a metal known for its high melting point and durability. The metal base is used to connect the bulb to an electrical circuit.
What element used as metal in domestic light bulb?
tungsten
Which type of motors used in oil filling machines?
Electric motor driving a pump.
What is the Function of light bulb in an electric circuit?
The function of a light bulb in an electric circuit is that it turns electrical energy into light.
Which metal used in filaments?
Generally 'Tungstan'is use in bulb filaments.
