what is the need of representing AC power in sinusoidal waveform? why not in square or rectangular etc...

8 Answers   Lanco,

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WHAT IS IEC? & WHAT IS BENEFIT TO PRODUCT FROM IEC?

0 Answers   BMC,

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what are the difference between protection class CT and Class PS CT

13 Answers  

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A synchronous motor is operating at a leading power factor .if the applied voltage is decreases ,(the excitation remains constant ) ,the motor current a)increases b) decreases c)remains same d) none of these

2 Answers  

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What is Scheme Test of High Voltage Switchgear. Which tests it includes.

0 Answers   Siemens,

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The ratio of white balls and black balls is 1:2. If 9 gray balls is added it becomes 2:4:3. Then what is number of black balls ?

3 Answers   CTS,

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The neutral to earth connection in my industry is showing a zero reading (shorted). I have a machine which has to be installed where neutral to earth is not shorted and shows a leak voltage <3 Volts. Please suggest me how it is possible.

6 Answers  

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what is the purpose of vector group in a transformer ? if 2 tranaformers r connected in parallel the vector group is same or not? for parallel operation 2 transformers of different manufacturers maintain same vector group or not?

3 Answers   Orchid,

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What is BUCKBOOST TRANSFORMER and Operation of Buckboost transformer?

4 Answers   Voltamp,

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If a shunt Dynamo has induced emf 100V and 0.4 ohm resistance and battery of accumulator of open circuit emf 110V and 0.5 Ohm resistance are in parallel what is common terminal potential difference?

0 Answers  

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What type of bulb used in small size cross symbol boder and original flame type(Deepam)?

1 Answers  

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what is the applicatyons of the slipring motor and please tel me more about the slipring concept

1 Answers  

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