Question

the value of the value of frequency and voltage of the electricity supplied to homes in India are 50 hz or 220 volt 50 Hz 110 voltage in 60 Hz 220 voltage at hz110 voltage ​

Answer 1

Answer:

Explanation:

the voltage supplied is 220 vt and freq is 50 hz

Answer 2

220 volt 50 Hz

Explanation:

According to the ohm's law we have:

$V=R.I$

where

V = voltage

R = resistance of the conductor

I = current

And power:

$P=V.I$

$P=I^2.R$

The Joules heating effect of current is given as:

$Q=I^2.R.t$

where

$t=$ the time for which the current is passed.

Now consider the transmission of current over long distances throughout India, we will have to pass the current for very longer duration and the heat generated due to the current is not dissipated effectively and will melt the wire. So it is good to keep high voltage in the transmission and by the law of energy conservation the Current gets lowered the Joule Heat is generated lesser so the loss of energy is minimized.

Frequency of 50 Hz means that the alternating current will change its direction 50 times in 1 second.

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TOPIC: domestic electric

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