Answer / dinesh

whenever current flowing in the magnetic material there is
an magnetic field produced which is nothing but flux

Answer / *avi

Flux means nothing but some kind of line of force. Whenever
current flows through magnetic field causes the flux
production around that conductor.

how to choose the cable size for 100A(is there any formula please update)

6 Answers  

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what type of motor are there in megger how they work.

2 Answers  

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why secondary of open delta pt (two element pt) centre tap is earth what happen when this earth is removed

1 Answers   Essar,

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can we use inductor in case of d.c.,if yes then what will happen in circuit

3 Answers   JSW,

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what is phase shifting transformer.

2 Answers  

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KVA transformer of different frequencies of 50hz,100hz,500hz&1000hz. which one of these transformer has big size? Give reason

4 Answers   Suzlon,

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suppose if oil in transformer is not used than what constructional change you will do,for insulation and cooling?

2 Answers   ABB,

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why transformer are rated in KVA not in watt?

7 Answers   DMRC, L&T, TCS,

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For backup batteries connection,which method is best? series or parallel ?  

3 Answers   ABC,

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difference between semiconductor & conductor & insulator?

0 Answers  

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what is the isolation transformer. what is the isolator?

0 Answers  

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For what purpose and why ACBs are used

4 Answers  

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