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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8. Laplace transform of unit impulse, δt, is
A. 1/s
B. 1
C. ∞
D. 0
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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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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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