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.
Answer Posted / amin
my dear pencil is just like conductor with insulator around
it.
while semiconductor is not a conducting material but
conducts under conditions when proper arrangment is done.
| Is This Answer Correct ? | 34 Yes | 6 No |
Post New Answer View All Answers
why do we lay up the core of a cable?
what is meaning of 230volts ac 50hzs ac supply is it rms or maximum to getting ac 230v what amount of max voltage they will send
I PURCHASED A DEISEL GENARATOR SET OF AVR TYPE& RATING 125KVA BUT SOME TIMES THE OUTPUT VOLTAGE IS FLUCTUATING WHAT ARE THE PROBABLE REASONS GIVE ME
who invented active elements? plz give me the complte details of active elements...
What is bridge rectifier and explain with details
What is the difference between line drop and percentage line drop?
In HI POT test what is reason for applying the AC VOLTS and DC VOLTS in different applications what is the nessesity for this ?
How to calculat the ratio of HT\LT in energy meter
What is the basic principal, by which DC voltage level is increased more than the supplied AC voltage during conversion. As upto AC level it is contorrled by firing anlge but after maximum level how is it possible.Please clear picture. OR we have to supply the higher level AC?
For overhead protection we use which transformer?
what is difference between elr and R eartl realy.
battery capacity use of made?
what will happen if there is a voltage leakage or current leakage in an electrical train
temp of cast resin 1500kva tx formerwent up to 138.c but came down very fast to about 100.c within 20 mins when load was reduced from 70% to 60%
I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id:upendrakrishna20@gmail.com,plz send me ,or send any other rrb papers plzzzzzzzzzzzzzzzzzz