Label A and B in the given diagram. What is the diagram of ?
What happens when oxygen gas is used into the filament bulbs?SLC2071
Why is filament bulb filled with Nitrogen or inert gases helium neon or argon?
The filament of bulb are made of very thin and coiled wire. Why? or Explain the reason why filaments are made of thin wire.
What is filament ? Write two characteristics of filament.
Write down two advantages of fluorescent lamp over filament lamp.
Write down which wire are used in the lightening effect of a heating wire and the filament of an electric bulb. SLC2070
What is lightening effect of electricity? or Explain the lightening effect.
The tungsten metal wire is not used in the heater as heating element. why? SLC2072
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