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brdganesh


{ City } vizag
< Country > india
* Profession * brdganesh
User No # 101610
Total Questions Posted # 2
Total Answers Posted # 26

Total Answers Posted for My Questions # 1
Total Views for My Questions # 5505

Users Marked my Answers as Correct # 73
Users Marked my Answers as Wrong # 22
Questions / { brdganesh }
Questions Answers Category Views Company eMail

Why electrons flow only one direction in semiconductors. why can not flow both directions

 1 Electrical Engineering 3587

Can we transmit digital signal to long distance ?

 Electrical Engineering 1918



Answers / { brdganesh }

Question { TCS, 8441 }

how much speed will trawiling current


Answer

6.28*10po18 m/s

Is This Answer Correct ?    0 Yes 0 No

Question { 37392 }

what is dc transformer? how it work?


Answer

T/f works based on mutual induction.so if we r
give dc to that it will burn (after saturation) due
to no oposition(eb=0). Although it act like normal t/
f at starting instant. So bye using t/f we can
change ac voltage w.r.t currunt. To change dc
voltage we can use choppers.

Is This Answer Correct ?    6 Yes 0 No


Question { 20649 }

How many types of AC current?


Answer

1) sinsodial 2)squre 3)triangle

Is This Answer Correct ?    2 Yes 3 No

Question { Bhel, 10996 }

what is the earth resistance ?


Answer

The resistive value of earth conductor(or earth
grid) is known as a earth resistence. It can be
mesure by using ohm meter

Is This Answer Correct ?    1 Yes 1 No

Question { 6887 }

Differenc between the resistance and resisters?


Answer

Resister is a passive element which 'opposes the
flow of electrons through it' and this proparty is
called a resistance

Is This Answer Correct ?    0 Yes 0 No

Question { 11822 }

SMPS (Switch Mode Power Supply) unit is denoted by KW or
KVA?


Answer

Kva 1) all ac sources are denoted in kva

Is This Answer Correct ?    1 Yes 0 No

Question { Areva, 15180 }

Why temperature rise test is conducted in bus bars and
Isolators?


Answer

Conductors (bus bars)have a positive temperature
coefficient so that

Is This Answer Correct ?    1 Yes 0 No

Question { 7475 }

line vltage of three phase distribution transformer is 433v
and phase voltage is 250v,but we required 230v for domestic
distribution,then how we reduce phase voltage of
transformer


Answer

We can supply 250 v to the domestic (+ or - 10% )

Is This Answer Correct ?    1 Yes 0 No

Question { 7923 }

an electric bulb or lamp can operate on ac and dc, if yes
then why


Answer

S it can work in dc also by adding shunt resister to
the choke

Is This Answer Correct ?    0 Yes 0 No

Question { 5723 }

resitance in ac=1.6*resistance in dc


Answer

If it pure resistance with ac(rms) then it acts same
value of resistance in dc

Is This Answer Correct ?    1 Yes 0 No

Question { 9129 }

Why only 1ph,2ph,3ph supplies are universally used?? Why
not 4ph or 5ph??


Answer

Just my thought We cant make star and delta
conection correct?

Is This Answer Correct ?    0 Yes 0 No

Question { 8028 }

What are the methods/types of distance protection schemes used
in transmission system?


Answer

Pilet wire method

Is This Answer Correct ?    0 Yes 1 No

Question { 6540 }

what is the unit of electricity????????????


Answer

Kwh(ac) and kva(dc) finally it is a system of
source we cant mesure with units

Is This Answer Correct ?    0 Yes 2 No

Question { 5588 }

which winding aply in an alternator?


Answer

Distributed (or) concentrated winding

Is This Answer Correct ?    0 Yes 0 No

Question { Kirloskar, 13995 }

can we run three phase motor by single phase? and what
happens if we do this


Answer

S we CAN a single phase supply can not produce
rotating magnetic field BUT it produce alternative
magnetic field. It can start with low starting
torque if we give prime move(starting means) to
that motor

Is This Answer Correct ?    0 Yes 0 No

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