What is the difference between AC voltage and DC voltage?

6 Answers  

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What are the voltages at which electrical energy is transmitted

7 Answers   KSEB,

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single phase for 230 then why three phase are 440 volt

4 Answers   ACIL,

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Is a induction motor rotate by back emf ? If not , then how it is rotate ?

1 Answers  

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A generating system will have a total capacity of 300 MW. Find the probable forced outage when the capacity is supplied by two 150 MW units. The operating probability of all units is P=0.98 and forced outage probability rate Q =0.02 .

0 Answers   BUET, VECL,

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How do you connect the capacitors on polyphase circuits?

10 Answers   L&T, Transco,

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Differentiate between power relay and reverse power relay?

2 Answers   ABB, TVS,

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what should be the value of helathy insulation b/w two cores of LT cable.

2 Answers  

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why we use dc motor instead of ac motor?

7 Answers   Air Force,

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Why is the frequency not changed during transformation of electrical energy in a transformer?

0 Answers  

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What is Specific Gravity of the Electrolyte used in Lead Acid Battery????What is Unit????

7 Answers   Emerson,

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what does the word synchronous mean in 'synchronous machine'

3 Answers  

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