how determine base of given number like 302/20=12.1

2 Answers  

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is dc transformer is possible ?

4 Answers   Jyona Power,

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Suppose a 3 phase, 2 pole, 440V induction motor is driving a flywheel of 600mm diameter, 150kg mass. By using v-belt and pulley, the speed is increased to 4500 RPM. What will be the effect on motor current?

0 Answers  

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In our domestic single phase line if you don't have a ground connection (earthing)how will you separately use earth in a specific power supply board.

1 Answers  

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what is the reason for drop in freq. from 50 hz at generating side to 49.8 ,49.6 etc.at receiving side???

2 Answers  

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What is servo motor and what are the applications of servo motor?

0 Answers   BARC,

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explain why core loss of a transformer is almost constant under different load conditions when connected across a constant voltage and constant frequency.

0 Answers   MPPGCL Madhya Pradesh Power Generating Company Ltd,

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When testing an earthing connection, we use a 60 or 100 candle bulb with a phase connected direct from supply and the other wire to the new earthing provided.If the bulb glows then the earth is ok.Else earth connection is not Ok. So, why dont we can use all the home appliances taking a single wire from the phase and the return connection to Earth instead of return connection to neutral?

2 Answers  

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If a contactor need to replace with faulty one. what I want to check?

2 Answers   Bhel,

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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?

0 Answers  

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give me a clear defination of inductance,and how can u calculate inductance of a motor

0 Answers  

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why earthing is not required on transformer prymary winding side ???

13 Answers   Genpact,

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