# The z-transform of a signal x[n] is given by 4z -3 + 3z -1 + 2 - 6z2 + 2z3. It is applied to a system, with a transfer function H (z)=3z-1-2. Let the output be y(n). Which of the following is true

1.  y(n) is non causal with finite support

2.  y(n) is causal with infinite support

3.  y(n) = 0;|n|>3

4.  Re[Y(z)]z=ejθ=-Re[Y(z)]z=e-jθ;Im[Y(z)]z=ejθ=Im[Y(z)]z=e-jθ;-π≤θ

4

y(n) is non causal with finite support

Explanation :
No Explanation available for this question

# The value of the quantity P,where P=is equal to

1.  0

2.  1

3.  e

4.  1/e

4

1

Explanation :
No Explanation available for this question

# Divergence of the three-dimensional radial vector field is

1.  3

2.  1/r

3.

4.

4

3

Explanation :
No Explanation available for this question

# The period of the signal

1.  0.4Πs

2.  0.8Πs

3.  1.25s

4.  2.5s

4

2.5s

Explanation :
No Explanation available for this question

# The system represented by the input-output relationship y(t)=

1.  Linear and casual

2.  Linear but not casual

3.  Casual but not linear

4.  Neither linear nor casual

4

Linear but not casual

Explanation :
No Explanation available for this question

# The switch the circuit has been closed for a long time.It is opened at t=0. At t=0+,The current Through the 1µF capacitor is

1.  0A

2.  1A

3.  1.25A

4.  5A

4

1A

Explanation :
No Explanation available for this question

# The second harmonic component of the periodic wave form given in the figure has an amplitude of

1.  0

2.  1

3.  2/π

4.  2/π

4

0

Explanation :
No Explanation available for this question

# As shown in the figure,a 1Ω resistance is connected across a source that has a load line v+i=100.The current through the resistance is

1.  25A

2.  50A

3.  100A

4.  200A

4

50A

Explanation :
No Explanation available for this question

# A wattmeter is connected as shown in the figure.The wattmeter reads

1.  Zero always

2.  Total power consumed by Z1 and Z2

3.  Power consumed by Z1

4.  Power consumed by Z2

4

Power consumed by Z2

Explanation :
No Explanation available for this question

# An ammeter has a current range of 0-5A,and its internal resistance is 0.2Ω.In order to change the range to 0-25A,we need to add a resistance of

1.  0.8Ω in series with the meter

2.  1.0Ω in series with the meter

3.  0.04Ω in parallel with the meter

4.  0.05Ω in parallel with the meter

4