Comment on the working principle of operation of a single-phase transformer.

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why magnet has north and south poles only why not east and west and why we are considering as north and south poles? why cant we consider as east and west?

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What happens with squirrel induction machines if the ends of rotor conductors are kept open? Explain

5 Answers  

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Can anybody explain Why starters are not used for motor starting in industries?

9 Answers  

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A current of 2A flows for 10 hour through a 100 ohm resistor. The energy consumed by the resistor is:(a) 0.5 kWh(b) 4 kWh(c) 2 kWh(d) 0.02 kWh

3 Answers  

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while starting a liquid starter ,is there any volage drop on water/soda on tank.can we touch the tank on starting?

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How is a 100 MVA transformer cooled?

9 Answers  

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How many points can we have in AC Circuit? Show by giving suitable example?

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can a 12v dg starting battery(150 AH) be replace by 6 nos of 200AH batteries each of 2v connected in series.

3 Answers  

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what is power factor?

8 Answers   Adani, Blue Star, Power Control,

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What is various types of electrical formula?

1 Answers  

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what happens if we earth negative electrode of an rectifier transformer used in ESP. In which normaly positive is earthd from inside the xmer.

1 Answers  

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