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Company >> Bhel >> Interview Questions >> Electronics Communications Interview Questions
 
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Question   what do you understand by microwaves? why these are called micro Rank Answer Posted By  
 Interview Question Submitted By :: Raveesh83
I also faced this Question!!   © ALL Interview .com
Answer
micro waves are those waves whose wavelength is less than a 
foot(30 cms) or freq ranging from 1 GHz to 1000 GHz.

Because of there tinyness these are called micro.
 
0 Raveesh83
 
 
Answer
wavelength (symbol-lambta)-how long distance travelled the 
wave in one cycle .

micro waves has short wavelength that is called 
microwaves...
its range from 1 to 300MHZ
 
0 Sundar
[Nhpc]
 
 
Question   how do microwave oven works?? Rank Answer Posted By  
 Interview Question Submitted By :: Raveesh83
I also faced this Question!!   © ALL Interview .com
Answer
Heart of microwave oven is magnatron which generates 
frequency of appox. 2.4 GHz.

explain working of magnatron.

 
0 Raveesh83
 
 
 
Answer
magnatron is the main part of  microwave oven. magnatron 
are genreted the high frequevency wave upto 2-3 G.Hz and 
all wave are focuse in the center plete of oven
 
0 Karuvesh Sharma
[Nhpc]
 
 
Question   outline the working of EVM? Rank Answer Posted By  
 Interview Question Submitted By :: Raveesh83
I also faced this Question!!   © ALL Interview .com
Answer
EVM stands for electronic voting machine.An Electronic 
Voting Machine consists of two Units – a Control Unit and a 
Balloting Unit – joined by a five-meter cable.

describe rest by using concept of digital& microcontroller 
trchnology.
including memory addressing and refredhinh circuitry
 
0 Raveesh83
 
 
 
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