Laplace And Fourier Transform objective questions (mcq) and answers


6.  Laplace transform of the output response of a linear system is the system transfer function when the input is


   A. A step signal

   B. A ramp signal

   C. An impulse signal

   D. A sinusoidal signal


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C. An impulse signal

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7.  The Laplace transform of a unit impulse function is


   A. 1/s

   B. 1/s2

   C. 1

   D. s


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A. 1/s

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8.  Laplace transform of unit impulse, δt, is


   A. 1/s

   B. 1

   C.

   D. 0


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B. 1

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9.  What is the Laplace transform of a delayed unit impulse function δ( t - 1 )?


   A. 1

   B. Zero

   C. exp( -s )

   D. s


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C. exp( -s )

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10.  Nonlinear system cannot be analysed by Laplace transform because


   A. It has no zero initial conditions

   B. Superposition law cannot be applied

   C. Non-linearity is generally not well defined

   D. All of the above


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A. It has no zero initial conditions

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