mohideen


{ City } chennai
< Country > india
* Profession * student
User No # 25675
Total Questions Posted # 0
Total Answers Posted # 3

Total Answers Posted for My Questions # 0
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Users Marked my Answers as Correct # 92
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Questions / { mohideen }
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Answers / { mohideen }

Question { 10511 }

Why do we have 110V, 230V, 415V etc. in electrical
transmissions? Why not 100V, 200V,400V?


Answer

it is due to the form factor always being 1.1

Is This Answer Correct ?    61 Yes 3 No

Question { BSES, 22525 }

In india the power supply is always in multiple of 11,
eg.220 V, 440 V...
what is the reason?


Answer

this is due to the power factor of a pure sin wave is being 1.1

Is This Answer Correct ?    12 Yes 33 No


Question { BSES, 22525 }

In india the power supply is always in multiple of 11,
eg.220 V, 440 V...
what is the reason?


Answer

that is due to the form factor of a pure sine wave is 1.1.
form factor is given by the expression form factor=(rms/average)

Is This Answer Correct ?    19 Yes 4 No