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Question
What is the difference between an insulator and a 
dielectric?
 Question Submitted By :: Electrical-Engineering
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
dielectric is an insulator that can b used to store electrical energy.all dielectrics are insulators but the converse is not true 
Is This Answer Correct ?    14 Yes 2 No
Ajay K Mathew
 
Answer
# 2
dielctric means which is a semi conducting material.and insulator is a material which does not allow for conduction. 
Is This Answer Correct ?    8 Yes 9 No
Nagarjuna
 
 
 

 
 
 
Other Electrical Engineering Interview Questions
 
  Question Asked @ Answers
 
without any theoretical calculations, can u approximately tell the current rating of a motor(above 30hp)working at 415VAC.   7
int a,b ; a=b=10 ; if(a>b){ printf ("%d",a)}; no error output is a=10 TCS 2
Why Earthin is not required in Xformer primary side when it is in Star / star?   2
Can I use cable armour as a earth conductor? if not how many GI/CU wires I need to run along with cable?   1
what is the use of Antipumping in HT breakers.   8
In a generator (Synchronous) does the rotor speed (frequency) corresponds to the speed of the water (in hydro). does the torque on the turbine relate to the flow of water?   2
what is the formula for calculating of dielectric strength of transformer oil. Bhel 2
What is required of exietation to the alternater.   4
I have 800 Amps MG Fix type breaker It is in on line & it has been given only UV (under voltage)coil connection for tripping purpose.now it is not working properly means its getting tripp so how can i replace it or how can i rectify the problem without destrubing my load??????????   2
why are use star delta startor.   4
The iron loss in a 100kva transformer is 1 kw and full load copper losses are 2 kw, then what is maximum efficiency occure at a load?   3
What is the equipment used to control the generator output?   4
 
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