The circuit in the given Figure is a

1.  low-pass filter

2.  high-pass filter

3.  band-pass filter

4.  band-reject filter

View Answer  
4
Correct Answer :

low-pass filter


Explanation :
No Explanation available for this question

Assuming VCEsat = 0.2 V and  β = 50, the minimum base current (I B) required to drive the transistor in the given Figure to saturation is

1.  56 μA

2.  140 mA

3.  60 μA

4.  3 mA

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4
Correct Answer :

56 μA


Explanation :
No Explanation available for this question

Choose  the  correct  one  from  among  the  alternatives A, B, C, D  after matching  an  item from Group 1 with the most appropriate item in Group 2.   Group 1   Group 2 P Shift Register 1 Frequency Division Q Counter 2 Addresing in memory chips R Decoder 3 Serial to parrellel data conversion

1.  P-3 Q-2 R-1

2.  P-3 Q-1 R-2

3.   P-2 Q-1 R-3

4.   P-1 Q-2 R-2

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4
Correct Answer :

P-3 Q-1 R-2


Explanation :
No Explanation available for this question

Figure give below shows  the  internal schematic of a TTL AND-OR-Invert  (AOI) gate. For the inputs shown in the given Figure, the output Y is  

1.  0

2.  1

3.  AB

4.  

View Answer  
4
Correct Answer :

0


Explanation :
No Explanation available for this question

Given figure is the voltage transfer characteristic of

1.  an NMOS inverter with enhancement mode transistor as load

2.  an NMOS inverter with depletion mode transistor as load

3.  A CMOS inverter

4.  A BJT inverter

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4
Correct Answer :

A CMOS inverter


Explanation :
No Explanation available for this question

The  distribution  function  fx  (x)  of  a  random  variable  X  is  shown  in  the  figure.  The probability that X = 1 is

1.  zero

2.  0.25

3.  0.55

4.  0.30

View Answer  
4
Correct Answer :

0.30


Explanation :
No Explanation available for this question

For  the  lattice circuit shown  in  the  figure, Za =  j2 and Z b = 2?. The values of  the open circuit impedance parameters  

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question

The circuit shown in the figure has initial current iL (0-) = 1 A  through  the  inductor and an initial voltage vC (0-) = -1V across the capacitor. For input v(t) = u(t), the Laplace transform of the current i(t) for t ≥ 0 is

1.  s/(s2 + s + 1)

2.  (s + 2)/(s2 + s + 1)

3.  (s - 2)/(s2 + s + 1)

4.  (s - 2)/(s2 + s - 1)

View Answer  
4
Correct Answer :

(s + 2)/(s2 + s + 1)


Explanation :
No Explanation available for this question

Consider the Bode magnitude plot shown in the given figure. The transfer function H(s) is

1.  (s + 10)/((s + 1)(s + 100))

2.  (10(s + 1))/((s + 1)(s + 100))

3.   (102(s + 1))/((s + 10)(s + 100))

4.  (103(s + 100))/((s + 1)(s + 10))

View Answer  
4
Correct Answer :

(102(s + 1))/((s + 10)(s + 100))


Explanation :
No Explanation available for this question

For the circuit shown in the figure, the initial conditions are zero. Its transfer functionH(s) = (Vc(s))/(Vi(s)) is

1.  1/(s2 + 106s + 106)

2.  106/(s2 + 103s + 106)

3.  103/(s2 + 103s + 106)

4.  106/(s2 + 106s + 106)

View Answer  
4
Correct Answer :

106/(s2 + 103s + 106)


Explanation :
No Explanation available for this question
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