If Vab=43.9 < 200 and |Z|=√34 then which of the following represents Z

1.  3+j5

2.  3-j5

3.  -3-j5

4.  -3+j5

View Answer  
4
Correct Answer :

3+j5


Explanation :
No Explanation available for this question

Both transistor has β0=125 and IC=1mA, RS=0.6K, RC=1.2 K. Find Av

1.  -1200

2.  -1400

3.  +1400

4.  +140

View Answer  
4
Correct Answer :

+1400


Explanation :
No Explanation available for this question

If impedance between terminal A-B is 50.7

1.  5

2.  2

3.  10

4.  None of these

View Answer  
4
Correct Answer :

5


Explanation :
No Explanation available for this question

In an Intrinsic Si semiconductor effectively mass of electron is four times the effective mass of hole. Then What will be the position of Fermi level at T=270C

1.  0.55ev

2.  0.6ev

3.  0.52ev

4.  Data insufficient

View Answer  
4
Correct Answer :

0.52ev


Explanation :
No Explanation available for this question

Consider the given statement: gm=(IC/VT)=( IC/25)mA

1.  Statement is correct

2.  Statement is correct but IC may not in mA

3.  Statement is false

4.  Statement is incomplete as equation holds on T=290k

View Answer  
4
Correct Answer :

Statement is incomplete as equation holds on T=290k


Explanation :
No Explanation available for this question

If V0= (59/31) V, then X will be

1.  2A

2.  -2A

3.  1A

4.  -1A

View Answer  
4
Correct Answer :

2A


Explanation :
No Explanation available for this question

consider a Si semiconductor whose ni-1.5*1010/cm-3 and. Its conductivity will be minimum when n0 will be equal to

1.  9*109/cm3

2.  9*1010/cm3

3.  10*1010/cm3

4.  data insufficient

View Answer  
4
Correct Answer :

9*109/cm3


Explanation :
No Explanation available for this question

consider a Si semiconductor whose ni-1.5*1010/cm-3 and . At n0 its conductivity will be

1.  2*10-6(Ω-cm)-1

2.  3.9*10-6(Ω-cm)-1

3.  6*10-6(Ω-cm)-1

4.  None

View Answer  
4
Correct Answer :

3.9*10-6(Ω-cm)-1


Explanation :
No Explanation available for this question

Current through the inductor is

1.  2-63.430

2.  2-73.70

3.  -273.70

4.  -2-73.70

View Answer  
4
Correct Answer :

2-63.430


Explanation :
No Explanation available for this question

Diffusion current in a p-n junction is influenced by

1.  Applied voltage

2.  Concentration gradient

3.  Concentration

4.  all of these

View Answer  
4
Correct Answer :

Concentration gradient


Explanation :
No Explanation available for this question
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