WHAT IS SEMICONDUCTOR? EXPLAIN DETAIL. FOR EXAMPLE TAKE A PENCIL.THE LEAD IS MADE UP OF GRAPHITE IT IS A CONDUCTOR.THE OUTER COVER IS MADE UP OF WOOD IT IS INSULATOR.PENCIL IS A SEMICODUCTOR MATERIAL.

5 Answers  

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1. what is usage for power factor in industries?? 2.why we need to monitor power factor??

4 Answers   Havells,

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what is the problem in manufacturing transformer with 0 degree phase displacement.???why alwasys go for DYn11 or DY5?Whys not DY0 i.e zero degree displacement between primary and secondary side vectors?

3 Answers   Bhel, dpdc, Prime Electrical,

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How to calculate the cable size (XLPE)for suitable to 120KW load (if Motor or heaters etc)

4 Answers   SSC,

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working principle of UPS

15 Answers   Mantri,

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how calculate external illumintion in a compound area. for e.g. there is one open park having 600m2 area and i have to put 40w flouresent tube fitting with pole. how shall i calculate the numbers of fitting.

1 Answers  

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What is center gravity load in substation?

0 Answers  

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How to design harmonic filter at the project stage without nowing the harmonics levels

0 Answers  

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why cu losses called cu losses.

6 Answers  

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In ht capacitor ckt we are using LBS Panel it having isolator with fuse, one of HT fuse flash over, so what is reason behind this event.

0 Answers  

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what do u understand about FACTS? how they are useful?

0 Answers   BARC,

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What is the Maximum Power generation capacity of a Synchronus Machine ??

0 Answers   ETA, NTPC,

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