As per principle we say in three phase supply ,the voltage is producing by phase angle between two phase so two phase is needed means then why we using three phase ?

2 Answers  

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what is difference between di electric and insulator?

2 Answers   Greenko,

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which is the most advanced form of SF6 BREAKER?Can we use other gases to quench the arc?

0 Answers   TATA,

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if z transform lies in ROC then. a)system is stable b)inverse of system is stable c)both system and its inverse are stable.

1 Answers   CCP,

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what is the value of voltage & current lightning during rainy season.

0 Answers  

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what is the power factor of an inductive load ? (i) Zero (ii) Lagging (iii) Leading (iv) Unity

5 Answers  

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A mass of 1200g is accelerated at 200 cm/s2by a force. The value of the force required is:(a) 2.4N(b) 2400N(c) 240 kN(d) 0.24N

0 Answers  

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Slow acting fuses are most often used for which application a) Lighting circuit b) heating circuit c) Motor D) Radar circuit

1 Answers  

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When and where resistance earthing is used ? How to calculate the time constant for earth fault

0 Answers  

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what is the ideal earth resistance

11 Answers   Amit Enterprises, Enercon,

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if i am in front of transmission line how to know that current direction without any equipment

0 Answers  

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diffrence between abcb and mocb

1 Answers   UltraTech,

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