Answer / tharan

power frequency incresing voltage r step up.. power frequency
decreasing voltage r step down..

Answer / omwikha

Voltage=4.44fN(phi). Where f= frequency
Thus increasing frequency automatically will increase the voltage and vice versa.

why ac wave is sinusoidal not square or triangular wave what will be reason

1 Answers   ACPL,

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how we calculate the dick for a pole?

0 Answers   Power Grid,

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5 Answers   Emerson,

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2 Answers  

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resistivity of copper

1 Answers  

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No load efficiency of transformer is ___________ than full load efficiency

2 Answers   PGCET,

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0 Answers   UPSC,

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3 Answers  

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what is the difference between the diode and the rectifier

17 Answers   Avalon, L&T, Mahacol Trexim,

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8 Answers  

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what is LOS(line of sight)?

1 Answers  

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Application of DC motors is generally restricted to a few load speed applications because of _____.

0 Answers  

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