Physics, asked by rishavrockstar, 1 year ago

why is 220v written in most of the electrical appliances


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Answers

Answered by ankur5155
6

220V is the most common standard voltage rate for 50c/s power. Later on, some countries want to save cost on modify whole country wiring due to over crowded users, they jacked it up to 230V or even 240V.

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ankur5155: bro this is in my book
Answered by Anonymous
12

In India ,  the voltage used by most electrical appliances is 220 v .

It is selected as the standard voltage of our country , and hence the voltage is same for all appliances .

The current is generated in electric stations and it is generated at 11 kV . Then it is stepped up to certain kV to save the loss of electrical energy due to heating effect of current .

The current will be less if it is stepped up .

Now upon reaching the city sub station , the current is stepped down to 220 v because the city requires a lot of current .

Current is inversely proportional to voltage and hence the current is stepped down to 220 v .

This 220 v is distributed to all the houses and hence most electric appliances are rated with the same voltage .

There are countries who use 120 v or more than 220 v according to their needs .

The mark "220v" is suitable for Indian people because we do have a large number of population but at the same time , our technology is not so advanced and hence does not need high amount of current .


nain31: aye gajb
Anonymous: :)
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