# For the circuit shown if figure, output F = 0, when

1.  both f2 and f3 are 1

2.  both f2 and f3 are 0

3.  f2 is 1 and f3 is zero

4.  f2 is 1 and f3 is one

4

both f2 and f3 are 1

Explanation :
No Explanation available for this question

# A three input AND gate is shown in the figure. If circuit works off the positive voltage made logic with logic levels 1 =+5V and 0=0v, then binary state of output will be

1.  F=1

2.  F=0

3.   F=100

4.  F=011

4

F=0

Explanation :
No Explanation available for this question

# In the signal flow graph of Fig. the gain c/r will be

1.   11/9

2.  22/15

3.   24/23

4.  44/23

4

44/23

Explanation :
No Explanation available for this question

# The signal flow graph for a system is given below. The transfer function (Y(s)/U(s)) for this system is

1.   s+1/5s2+6s+2

2.  s+1/s2+6s+2

3.   s+1/s2+4s+2

4.   1/5s2+6s+2

4

s+1/5s2+6s+2

Explanation :
No Explanation available for this question

# A feedback control system is shown in figure

1.   Draw the signal-flow graph that represents the system

2.  Find the total number of loops in the graph and determine the loop gains of all the loops.

3.  Find the number of all possible combinations of non-touching loops taken two at a time

4.  Determine the transfer function of the system using the signal-flow graph

4

Find the total number of loops in the graph and determine the loop gains of all the loops.

Explanation :
No Explanation available for this question

# If the characteristic equation of a closed loop system is s2+2s+2=0, than the system is

1.   Overdamped

2.  Critically damped

3.  Underdamped

4.  Undamped

4

Underdamped

Explanation :
No Explanation available for this question

# For the circuit shown in the figure below, what is the frequency of the output Q

1.  Twice the input clock frequency

2.   Half the input clock frequency

3.  Same as the input clock frequency

4.   Inverse of the propagation delay of the FF

4

Half the input clock frequency

Explanation :
No Explanation available for this question

# The following arrangement of master-slave flip flopshas the initial state of P, Q as 0, 1 respectively. After three clock cycles,t he output state P, Q respectively are

1.  1, 0

2.  1, 1

3.   0, 0

4.  0, 1

4

1, 0

Explanation :
No Explanation available for this question

# The differential equation 100(d2y/dt2)-20(dy/dt)+y=x(t) describes a system with an input x(t) and an output y(t). The system, which is initially relaxed, is excited by a unit step input. The output y(t) can be represented by the waveform

1.

2.

3.

4.

4 Explanation :
No Explanation available for this question

1.   0

2.  1/1+Kp

3.   ∞

4.  1/Kp

4