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 English interview questions  English Interview Questions (454)
 General Aptitude interview questions  General Aptitude Interview Questions (1887)
 Puzzles interview questions  Puzzles Interview Questions (460)
Question
WHAT HAPPENS WHEN SQUARE PULSE IS GIVEN TO THE INPUT OF THE 
TRANSFORMER
 Question Submitted By :: Sridharan
I also faced this Question!!     Rank Answer Posted By  
 
  Re: WHAT HAPPENS WHEN SQUARE PULSE IS GIVEN TO THE INPUT OF THE TRANSFORMER
Answer
# 1
CAN ANYBODY ANSWER THIS QUESTION ... 
Is This Answer Correct ?    6 Yes 5 No
Sridharan
 
  Re: WHAT HAPPENS WHEN SQUARE PULSE IS GIVEN TO THE INPUT OF THE TRANSFORMER
Answer
# 2
It is also a A.C SIGNAL so output goes to a square pulse 
Is This Answer Correct ?    14 Yes 10 No
Lokesh
 
 
 
  Re: WHAT HAPPENS WHEN SQUARE PULSE IS GIVEN TO THE INPUT OF THE TRANSFORMER
Answer
# 3
if the freequency is high we will get same square wave with
modified magnitude but if the freqcency is low impulse will
appiare
 
Is This Answer Correct ?    9 Yes 6 No
Sateesh
 
  Re: WHAT HAPPENS WHEN SQUARE PULSE IS GIVEN TO THE INPUT OF THE TRANSFORMER
Answer
# 4
if in case u are applying dc signal o/p is triangular wave 
Is This Answer Correct ?    5 Yes 8 No
Sravan
 
  Re: WHAT HAPPENS WHEN SQUARE PULSE IS GIVEN TO THE INPUT OF THE TRANSFORMER
Answer
# 5
IN SOME CASES THE TRANSFORMER IS DESIGNED TO APPLY DC
PULSE( NOT CONTINUOUS DC SIGNAL ) TO ITS PRIMARY WINDING
AND THE TRANSFORMER IS CALLED AS "PULSE TRANSFORMER".
IF DC VOLTAGE IS GIVEN TO WDG; AS WDS IS AS GOOD AS
INDUCTOR HENCE CURRENT I=(1/L)*INTEGRAL(Vdc)dt, WHICH WILL
CONTINUOUSLY INCREASE THE CURRENT FLOWING THROUGH THE
WINDING. HENCE THE WIDTH OF THE PULSE SHOULD BE SMALL
OTHERWISE THE TRANSFORMER WINDING WILL BURN.
IN THE PULSE TRANSFORMERS THE RESISTANCE OF THE WINDING
SHOULD BE KEPT MINIMUM TO LINIT THE I^2*R LOSSES AND LIMIT
THE TEMP OF THE WINDING BEFORE INSULATION FAILURE.
 
Is This Answer Correct ?    7 Yes 1 No
Sanket Patil
 
  Re: WHAT HAPPENS WHEN SQUARE PULSE IS GIVEN TO THE INPUT OF THE TRANSFORMER
Answer
# 6
In Transformer secondary the emf induced depends on the
rate of change of flux,If square pulse or pulsating DC is
given thn output will be triangular wave(due to inductnce
of secondary)
 
Is This Answer Correct ?    6 Yes 4 No
Prashant Singh
 
  Re: WHAT HAPPENS WHEN SQUARE PULSE IS GIVEN TO THE INPUT OF THE TRANSFORMER
Answer
# 7
what will be width of pulse and min voltage needed for
transformation.
 
Is This Answer Correct ?    3 Yes 1 No
Ashok
 
  Re: WHAT HAPPENS WHEN SQUARE PULSE IS GIVEN TO THE INPUT OF THE TRANSFORMER
Answer
# 8
It depends on the width of pulse,otherwise transformer will
go in saturation.also at secondary the pulse will not be
simple pulse but it will be rather impulse.
 
Is This Answer Correct ?    1 Yes 0 No
Ashok Jain
 
  Re: WHAT HAPPENS WHEN SQUARE PULSE IS GIVEN TO THE INPUT OF THE TRANSFORMER
Answer
# 9
Induced voltage=4.44*f*N*A*B = 4*form factor*f*N*A*B
f=freq
N=no of primary turns
A=area of wdg
B=max flux density

For sinusoidal input, form factor= 1.1 , its a peaky wave
form

But for square ac input signal, form factor is less than
1.1. (as its non peaky)

So other factors remaining same, induced voltage decreases
for square input ac signal.
 
Is This Answer Correct ?    2 Yes 1 No
Sirin Dutta Chowdhury
 
  Re: WHAT HAPPENS WHEN SQUARE PULSE IS GIVEN TO THE INPUT OF THE TRANSFORMER
Answer
# 10
if it is current input than answer is triangular voltage

if input is voltage than output is pulse but may not be a
square but out of phase
 
Is This Answer Correct ?    1 Yes 1 No
Anil
 

 
 
 
Other General Aptitude Interview Questions
 
  Question Asked @ Answers
 
10.Ten coins are distr. Among 4 people P, Q, R, S such that one of them gets a coin, another gets 2 coins,3rd gets 3 coins, and 4th gets 4 coins. It is known that Q gets more coins than P, and S gets fewer coins than R a. If the no. of coins distr. To Q is twice the no. distr. to P then which one of the following. is necessarily true? i. R gets even no. of coins ii. R gets odd no. of coins iii. S gets even no. of coins iv. S gets odd no. of coins b. If R gets at least two more coins than S which one of the following is necessarily true? i. Q gets at least 2 more coins than S ii. Q gets more coins than P iii. P gets more coins than S iv. P and Q together get at least five coins c. If Q gets fewer coins than R, then which one of the following is not necessarily true? i. P and Q together get at least 4 coins ii. Q and S together get at least 4 coins iii.R and S together get at least 5 coins iv.P and R together get at least 5 coins 11.Elle is 3 times older than Zaheer. Zaheer is ½ as old as Waheeda. Yogesh is elder than Zaheer. a. What is sufficient to estimate Elleís age? i.Zaheer is 10 yrs old ii.Yogesh and Waheeda are both older than Zaheer by the same no of yrs. iii.Both of the above iv.None of the above b. Which one of the following statements can be inferred from the info above i.Yogesh is elder than Waheeda ii.Elle is older than Waheeda iii.Elleís age may be less than that of Waheeda iv.None of the above Section B Direction for Qn 1-8 Ans A using I only Ans B using II only Ans C using both I and II Ans D not solvable 1. Raman and Gaurav Brought eggs from a vendor. How many eggs were bought by each of them i. Raman bought half as many as Gaurav ii. The dealer had a stock of 500 eggs at the beginning of day 2. What is the age of Ramprakash? i. Ramprakash was born when his father was 26 yrs old ii. Ramprakashís mothers age is 3yrs less than his fatherís 3. How much time is reqd for downloading the software? i. The Data transfer rate is 6 kbps ii. The size of the software is 4.5 megabytes 4. Sanjay and Vijay started their journey from Mumbai to Pune. Who reached Pune first? i. Sanjay overtakes two times Vijay and Vijay overtakes Sanjay two times ii. Sanjay started first 5. Is the GDP of country X higher than Country Y? i. GDPís of X and Y has been increasing at a compounded annual growth rate of 5% and 6% over he past 5 yrs ii. 5 yrs ago GDP of X was 1.2 times Y 6. A boat can ferry 1500 passengers across a river in 12 hrs. How many round trips does it make during the journey? i. The boat can carry 400 passengers at a time ii. During its journey, the boat takes 40 mins time each way and 20 mins waiting time at each end. 7. What are the values of m and n? i. n is an even integer, m is odd integer and m is greater than n. ii. The product of m and n is 30 8. How much is the weight of 20 mangoes and 30 oranges? i. 1 orange weighs twice that of 1 mango ii. 2 mangoes and 3 oranges weigh 2 kg Direction for Qn 9-12 Five teams participated in Pepsi Cup. Each team played against each other. The top teams played finals. A win fetched 2 pts and a tie 1 point 1) South Africa were in the finals 2) India defeated SA but failed to reach the finals 3) Australia lost only one match in the tournament 4) The match between India and Sri Lanka was a tie 5) The undefeated team in the league matches lost in the finals 6) England was one of the best teams that did not qualify 9. Who were the finalists? i. SA & India ii. Aus & SL iii. SA & SL iv. none 10. Who won the finals? i. Aus ii. SL iii. SA iv. Canít be determined 11. How many matches did India Win? i. 0 ii. 1 iii. 2 iv. canít be determined 12. What was the outcome of the India England Match i. India won ii. England won iii. It was a tie iv. Canít be determined Cap-Gemini 2
What is modulation &demodulation?   1
the concession stand at cinema city sells popcorn in three sizes-large,super and jumbo one day cinema city 240 bags of popcorn and the ratio of large and super to jumbo was 8:17:5.how many super bags of popcorn were sold on that day   3
In a certain code, PEAK is written as ?3512? and DINE is written as ?6895?. How is KIND written in that coade? (a) 2396 (b) 2986 (c) 2896 (d) 2596 (e) None of these   5
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1 chocolate cost is Rs.1 & if we return 3 wrapers(covers) of chocolate we get 1 more chocolate. If u have Rs.15 how many chocolates do u get...? Infosys 36
a family has 4 people. father is 10kgs.mother 10 kgs.daughter 5 kgs,son 5 kgs........the family has to cross a river to reach other side of land ..Assume they should go from A to B....the boat is limited to carry 10 kgs at a time...how will they reach?THERE IS NO SAILOR TO TAKE THEM... Manhattan 2
A secret can be told only 2 persons in 5 minutes .the same person tells to 2 more persons and so on . How long will take to tell it to 768 persons ? CTS 19
success is to failure, joy is to ? Geometric-Software 4
Four of the following five are alike in a certain way and hence form a group. Which one of the following does not belong to that group? (a) 21 (b) 35 (c) 49 (d) 63 (e) 56 Infosys 6
 
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