why we still use sinusoidal waveforms for transmission and utilisation (we know generation is sinusoidal), instead of other ac waveforms such as triangle, sawtooth, square etc.,? is there any mathematical derivations to prove sinusoidal is efficient than others?

1 Answers  

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Leading power factor means what? what is the power factor value while in power factor is leading? is power factor greater than one? In some cases i heard pf 0.8 leading then what about 0.8 lagging?

1 Answers   Rockfort Engineering,

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Seamless tubes are made by?

5 Answers   Bhel,

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what is LUX?

4 Answers   NTPC,

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what is the difference between inductive load and capacitive load?give me some examples in general

3 Answers  

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why motors are rated in hp?

3 Answers  

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DEFINE BREAKING CAPACITY OF BUSBAR & HOW IT IS CALCULATED?

0 Answers  

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The synchronous speed of a motor with 6 poles and operating at 50 Hz frequency is ___.

4 Answers  

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What is core balancing in Power Transformer. What is the affect of an unbalabce core.

1 Answers  

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Why squirrel cage motor can only use with low starting loads ?

0 Answers   BEC,

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how to calculate neutrel current

2 Answers  

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How work of capacitor in dc supply...???

0 Answers  

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