# A single x(t) has a Fourier transform X(ω).If x(t) is a real and odd function of t,then X(ω) is

1.  A real and even function of ω

2.  a imaginary and odd function of ω

3.  an imaginary and even function of ω

4.  A real and odd function of ω

4

A real and even function of ω

Explanation :
No Explanation available for this question

# Assuming perfect conductors of a transmission line,pure TEM propagation is NOT possible in

1.   coaxial cable

2.  air-filled cylindrical wave guide

3.  parallel twin-wire line in air

4.  semi-infinite parallel plate wave guide

4

semi-infinite parallel plate wave guide

Explanation :
No Explanation available for this question

# Indicate which one of the following will NOT exist in a rectangular cavity

1.     TE110

2.  TE011

3.  TM110

4.  TM111

4

TE110

Explanation :
No Explanation available for this question

# Identify which one of the following will NOT satisfy the wave equation.

1.   50ef(ωt-3z)

2.  sin[ω(10z+5t)]

3.  cos(y2+5t)

4.  sin(x) cos(t)

4

cos(y2+5t)

Explanation :
No Explanation available for this question

# The fourier series representation of an impules train denoted by

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# For a binary half-subtractor having two inputs A and B,the correct set of logical expression for the outputs D(=A minusB) and X(=borrow) are

1.

2.

3.

4.

4

Explanation :
No Explanation available for this question

# For the system described by the state equation If the control signal u is given by u=[-0.5,-3,-5] x+u,then the eigenvalues of the closed-loop syatem will be

1.   0,-1,-2

2.  0,-1,-3

3.  -1,-1,-2

4.  0,-1,-1

4

0,-1,-1

Explanation :
No Explanation available for this question

# The z-trasition of a signal is given by C(z)=1z-1(1-z-1)/4((1-z-1)2   Its final value is

1.  ¼

2.  zero

3.  1.0

4.   infinity

4

zero

Explanation :
No Explanation available for this question

# The Nyquist sampling frequency(in Hz) of a signal given by 6x104 sin      e2(400t)*sine3(100t) is

1.   200

2.  300

3.  500

4.  1000

4

1000

Explanation :
No Explanation available for this question

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