State the meaning of frequency of an alternating current. Mention its value in india.why Is an alternating current considered to be advantageous over direct current for long range transmission of electric energy? explain?
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If the current reverses its direction in equal intervals of time, then that current is called alternating current or AC.
The number of revolutions completed in one second in alternating current direction is called AC frequency.
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The alternating current in India has a frequency of 50Hz. That means current reverses its direction 2 times in 1 revolution, so in 50 revolutions current reverses its direction 100 times or we can say current in India reverses its direction every 1/100 second.
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The advantage of alternating current is that it can travel over long distances than direct current.This is an advantage because AC can be transmitted over long distance without much loss of electric energy
The number of revolutions completed in one second in alternating current direction is called AC frequency.
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The alternating current in India has a frequency of 50Hz. That means current reverses its direction 2 times in 1 revolution, so in 50 revolutions current reverses its direction 100 times or we can say current in India reverses its direction every 1/100 second.
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The advantage of alternating current is that it can travel over long distances than direct current.This is an advantage because AC can be transmitted over long distance without much loss of electric energy
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