why the genearation of electricity always in form of sine wave only ??? why not cosine wave ???

1 Answers  

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what is the function of potential transformer in s/s

6 Answers  

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what is the use of neutral displacement relay

1 Answers   OCL,

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how we select fuse rating for motor?

6 Answers  

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how to calculate vfd o/p voltage by frequency

0 Answers   HCL, Orchid,

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Why the earth to phase voltage is high 250 compare to other two phases

0 Answers  

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An AC coil to give DC supply whats happen in the coil.what type of problem are create.

2 Answers  

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in 3-phase transformer which type of transformet is used in output side?

6 Answers   Essar,

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what is the principal of starting of a three phase induction motor.

2 Answers   Moser Baer,

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50 electric bulbs are connected across supply of 220 volts. After one bulb is fused remaining 49 bulbs are again connected to same supply. which case will have more illumination & WHY????????

5 Answers   KJ,

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Brief function of stepper motor

1 Answers  

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in traction which type of supply are used

15 Answers   APGenco, Construction,

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