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Oil is a better insulator than air because it has a higher dielectric strength, meaning it can withstand higher electric field before breaking down. Oil also has better heat dissipation properties compared to air, making it more effective in dissipating heat generated by electrical components. Additionally, oil is less compressible than air, providing better insulation against electrical breakdown.

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1y ago

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Why oil is used in transformers?

Oil is used in transformers to insulate and cool the windings.since heat reduces the efficiency of every electrical machine, oil is used in transformer for example to cool and maintain the efficiency level of the transformer .


Is oil a good thermal insulator?

No, oil is not a good thermal insulator. It has a relatively low thermal conductivity, meaning it does not effectively resist the flow of heat. Materials like foam, fiberglass, and aerogel are much better options for thermal insulation.


Is air denser than oil?

No, air is less dense than oil. Air is a gas and has a lower mass per unit volume compared to oil, which is a liquid. Oil is more dense than air because its molecules are packed closely together.


Is oil a conductor or insulator of electricity?

Oil is an insulator of electricity. It does not conduct electricity well due to its low conductivity properties.


Is gas heating better than oil?

is gas cheaper than oil


Is burning oil better than coal?

Burning oil produces fewer emissions and pollutants compared to coal, making it slightly better for the environment in terms of air quality. However, both oil and coal are fossil fuels that contribute to climate change, so transitioning to renewable energy sources is the most sustainable option.


Which liquid substance is an insulator of electricity?

One example of a liquid substance that is an insulator of electricity is purified water. Pure water does not conduct electricity well because it is a poor conductor of ions necessary for electrical conduction to occur. However, impurities in water can make it a better conductor of electricity.


Why does ammonia dissolve motor oil better than vegetable oil?

Ammonia dissolves better in motor oil than in vegetable oil because motor oil is more immiscible than vegetable oil. Also, motor oil molecules are more non-polar than vegetable oil.


Why cooling oil is used in transformers?

The oil in a transformer has two functions: Oil is a better electrical insulator than air is, so high voltage parts can be placed closer together, saving space and materials. Also, oil is more efficient at cooling the transformer. The oil circulates inside the transformer, removing heat from the internal core and transferring it to the cooling radiators or the surface. In small transformers, this occurs naturally, by convective currents. In large transformers, there are thermostatically controlled pumps to assist this cooling cycle.


What liquid is a insulator of electricity?

Bulk Mineral Oil


Is oil a condutor or an insulator?

Oil is an insulator. It does not conduct electricity well due to its low electrical conductivity, which makes it a good material for insulating purposes in various applications.


What is green gas in air soft guns?

Green gas is basically propane with silicone oil in it. So it's better than just plain propane.