Other Electronics Communications Interview Questions 

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why we prefer expressing the gain of an amplifier on a
logarithmic scale rather than linear scale? 
TATA 
2 
How do Calculate UPs Battery Backup Time? pls help
me.Manohar.manoharan1980@rediffmail.com 

1 
what is the use of rms value ,crest factor , Q factor,form
factor 
DELL 
1 
What is the value of binary no 101101 in octal no.? 

9 
what do you understand by microwaves? why these are called
micro 
Bhel 
5 
Sparking occur when a load is switched off because the
circuit has high
a.) Inductance b.) Capacitance c.) Resistance
d.) None

BSNL 
9 
WHAT IS THE DIFFERENCE BETWEEN ABSOLUTE ENCODER AND
INCREMENTAL ENCODER. 

2 
what is the diference between High antenna gain and low
antenna gain and whivh one is better and why? 

3 
why use 48 volt DC power in telecom?


5 
What are the standards for the following :RS23C 802.3
X.25 802.11 ?


3 
Susan made a block with small cubes of 8 cubic cm volume
to make a block ,3 small cubes long, 9 small cubes wide and
5 small cubes deep. She realizes that she has used more
small cubes than she really needed. She realized that she
could have glued a fewer number of cubes together to lock
like a block with same dimensions, if it were made hollow.
What is the minimum number of cubes that she needs to make
the block?
a) 114 b) 135 c) 21 d) 71

TCS 
3 
difference between CDMA and GSM.. Presently which mobile
network used CDMA or GSM.. 
TCS 
6 

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