hello! can anyone explain to me how a 3 speeds table fan work? what are the factors that are controlling the speed of a normal table fan? Is it by varying the voltage or changing the magnetic field? would appreciate your reply :) thx in advance.

2 Answers  

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what is diversity factor ? plzzzzzz describe me

1 Answers  

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Why is tan-delta test and capacitor measurement done on alternator?

0 Answers   TD Power Systems,

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What will happen if an AC induction motor is applied with DC voltage?????????Kindly give all the posssible answers...

2 Answers  

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Write down the classification of the transmission line?

1 Answers  

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why most of the modern day type electrical appliance have 2 pins rather than 3 pins?

4 Answers  

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what is the powerfactor

5 Answers   GVK,

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in 132 kv transformer , in which range of transformer oil bdv required ? if it has around 50-55 , then how it was insulated the winding ?

3 Answers   Voltamp,

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What is the requirement of grounding the neutral of single phase generators on load? If the neutral is not grounded, what will be the effect?

0 Answers   HAL,

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Please tell me in DETAIL about the following 3 types of fuses or recommend me a good power system protection book or a website link ? 1.Dropout Fuse 2.Striker Fuse 3.Empulsive fuse (not sure if its impulsive or explosion fuse , sorry)

0 Answers  

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What is LOP Sensor in DG??????

7 Answers   Emerson,

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Why electrons flow only one direction in semiconductors. why can not flow both directions

1 Answers  

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