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Signals-and-systems Questions Set 46:

Quiz Mode

If a signal x(t) has Energy E, the energy of the signal x(2t) is then equal to?

E/2

Solution:

If the Laplace transform of f(t) is F(s), what is the value of L{f(t/a)}?

F(as)

F(s/a)/a

aF(as)

F(as)/a

Solution:

To show that a system is not invertible, one has to show the absence of the inversion formula

True

False

Not given

Null

Solution:

x(t) = 2 ; t > 0

= 0 ; t < 0

The odd part of the signal x(t) is,

Unit step function

Ramp function

Signum function

Delta function

Solution:

For a bounded function, is the integral of the function from -infinity to +infinity defined and finite?

Yes

Never

Not always

None of the mentioned

Solution:

If the input to a linear time-invariant system is x(t), and the output obtained is 10x(t+4), find the transfer function of the system.

10e^-j4πf

10e^j4πf

10e^-j8πf

10e^j8πf

Solution:

The unit impulse function is obtained by using the limiting process on which of the following functions?

Triangular Function

Rectangular Function

Signum Function

Sinc Function

Solution:

What is the nature of the signal x(t) = e^-0.2t[cos(Ωt) + j sin(Ωt)]?

Exponentially decaying sinusoidal signal

Exponentially growing sinusoidal signal

Sinusoidal signal

Exponential signal

Solution:

With respect to Hybrid parameters, which one of the following statements is correct?

h11 and h22 are dimensionless

h12 and h22 are dimensionless

h21 and h12 are dimensionless

h11 and h21 are dimensionless

Solution:

If the two signals h₁(t) = u(t+1) - u(t-1) and h₂(t) = δ(t-1) + δ(t+1) are cascaded, the resultant signal h₃(t) will be a:

causal and unstable signal

causal and stable signal

non-causal and stable signal

non-causal and unstable signal

Signals-and-systems Questions Set 46:

If a signal x(t) has Energy E, the energy of the signal x(2t) is then equal to?

Solution:

If the Laplace transform of f(t) is F(s), what is the value of L{f(t/a)}?

Solution:

To show that a system is not invertible, one has to show the absence of the inversion formula

Solution:

x(t) = 2 ; t > 0

= 0 ; t < 0

The odd part of the signal x(t) is,

Solution:

For a bounded function, is the integral of the function from -infinity to +infinity defined and finite?

Solution:

If the input to a linear time-invariant system is x(t), and the output obtained is 10x(t+4), find the transfer function of the system.

Solution:

The unit impulse function is obtained by using the limiting process on which of the following functions?

Solution:

What is the nature of the signal x(t) = e^-0.2t[cos(Ωt) + j sin(Ωt)]?

Solution:

With respect to Hybrid parameters, which one of the following statements is correct?

Solution:

If the two signals h₁(t) = u(t+1) - u(t-1) and h₂(t) = δ(t-1) + δ(t+1) are cascaded, the resultant signal h₃(t) will be a:

Solution:

Related Question Sets:

Related Topics:

Signals-and-systems Questions Set 46:

If a signal x(t) has Energy E, the energy of the signal x(2t) is then equal to?

Solution:

If the Laplace transform of f(t) is F(s), what is the value of L{f(t/a)}?

Solution:

To show that a system is not invertible, one has to show the absence of the inversion formula

Solution:

x(t) = 2 ; t > 0 = 0 ; t < 0 The odd part of the signal x(t) is,

Solution:

For a bounded function, is the integral of the function from -infinity to +infinity defined and finite?

Solution:

If the input to a linear time-invariant system is x(t), and the output obtained is 10x(t+4), find the transfer function of the system.

Solution:

The unit impulse function is obtained by using the limiting process on which of the following functions?

Solution:

What is the nature of the signal x(t) = e-0.2t[cos(Ωt) + j sin(Ωt)]?

Solution:

With respect to Hybrid parameters, which one of the following statements is correct?

Solution:

If the two signals h1(t) = u(t+1) - u(t-1) and h2(t) = δ(t-1) + δ(t+1) are cascaded, the resultant signal h3(t) will be a:

Solution:

Related Question Sets:

Related Topics:

x(t) = 2 ; t > 0

= 0 ; t < 0

The odd part of the signal x(t) is,

What is the nature of the signal x(t) = e^-0.2t[cos(Ωt) + j sin(Ωt)]?

If the two signals h₁(t) = u(t+1) - u(t-1) and h₂(t) = δ(t-1) + δ(t+1) are cascaded, the resultant signal h₃(t) will be a: