500+ Signals-and-systems Questions - Set 45 [With Solutions]

Signals-and-systems Questions Set 45:

Quiz Mode

Signals-and-systems Questions

Set 45/55

Choose the correct option for an even signal.

e^(-x)

tan(x)

n^2*x

n*x^2

Which of the following is memory less system?

x(t+2)

x(t-3)+x(t)-x(t-3)

x(t-3)+x(t)

What is the area of a unit impulse function?

Zero

Depends on the function

Half of 1

Find the Nyquist rate for the signal f(t) = sin(300πt) / (πt)

100 Hz

150 Hz

600 Hz

300 Hz

What is the Laplace Transform of sinh(at)?

a/(s^2 + a^2)

s/(s^2 - a^2)

a/(s^2 - a^2)

s/(s^2 + a^2)

In a color TV receiver, a varactor diode is used for:

detection

rectification

tuning

both (a) and (b)

If a function f[n] is multiplied by a delta function d[n-12], what will be the value of the result?

f[n - 6]

f[n + 12]

f[n - 12]

f[12n - d[n]]

The function that relates the output of a system to the input (signal) of a system is called the:

Periodic function

Non-periodic function

Transfer function

None of the above

Which of the following is not one of Dirichlet's conditions for the Fourier series expansion?

f(x) is periodic, single-valued, and finite

f(x) has a finite number of discontinuities in only one period

f(x) has a finite number of maxima and minima

f(x) is a periodic, single-valued, and finite function

When is a signal x(t) said to be non-periodic?

If the equation x(t) = x(t + T) is satisfied for all values of T

If the equation x(t) = x(t + T) is satisfied for only odd values of T

If the equation x(t) = x(t + T) is satisfied for no values of T

If the equation x(t) = x(t + T) is satisfied for only one value of T

Quiz Mode

Qn. Sets

Signals-and-systems Questions Set 45:

Signals-and-systems Questions

Choose the correct option for an even signal.

Reveal Answer

Reveal Answer

Which of the following is memory less system?

Reveal Answer

Reveal Answer

What is the area of a unit impulse function?

Reveal Answer

Reveal Answer

Find the Nyquist rate for the signal f(t) = sin(300πt) / (πt)

Reveal Answer

Reveal Answer

What is the Laplace Transform of sinh(at)?

Reveal Answer

Reveal Answer

In a color TV receiver, a varactor diode is used for:

Reveal Answer

Reveal Answer

If a function f[n] is multiplied by a delta function d[n-12], what will be the value of the result?

Reveal Answer

Reveal Answer

The function that relates the output of a system to the input (signal) of a system is called the:

Reveal Answer

Reveal Answer

Which of the following is not one of Dirichlet's conditions for the Fourier series expansion?

Reveal Answer

Reveal Answer

When is a signal x(t) said to be non-periodic?

Reveal Answer

Reveal Answer

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