List of top Instrumentation Engineering Questions on Signals and Systems asked in TS PGECET

For an LTI system with impulse response \(h(t)=e^{-2t}u(t)\), the system is

For a first-order system, \(H(s)=\dfrac{1}{s+1}\). The magnitude of the frequency response at \(\omega=0\) is

For an LTI system with impulse response \(h(t)=e^{-2t}u(t)\), the system is

For a first-order system, \(H(s)=\dfrac{1}{s+1}\). The magnitude of the frequency response at \(\omega=0\) is

A signal bandlimited to \(5\,\text{kHz}\) must be sampled at a minimum rate of

The Z-transform of \(\delta(n)\) is

The ROC of the Laplace transform of a causal signal lies

A signal is defined as \(x(t)=\sin(10\pi t)+\sin(15\pi t)\). What is its fundamental period (in seconds)?

The Laplace transform of \(e^{-at}u(t)\) is

Frequency response of a discrete-time LTI system is obtained by

A discrete-time system is causal if it

An RC high-pass filter has \(R=10\,\text{k}\Omega\) and \(C=0.01\,\mu\text{F}\). The cut-off frequency is

The ROC of the Laplace transform of a causal signal lies

A discrete-time system is causal if it

A signal bandlimited to \(5\,\text{kHz}\) must be sampled at a minimum rate of

The Z-transform of \(\delta(n)\) is

The Laplace transform of \(e^{-at}u(t)\) is

Frequency response of a discrete-time LTI system is obtained by

A signal is defined as \(x(t)=\sin(10\pi t)+\sin(15\pi t)\). What is its fundamental period (in seconds)?

An RC high-pass filter has \(R=10\,\text{k}\Omega\) and \(C=0.01\,\mu\text{F}\). The cut-off frequency is

Which one of the following discrete-time systems is time-invariant?

Given \( h(t) = \delta(t-1) + \delta(t-3) \), find step response at \( t = 2 \).

Which of the following is not true for a continuous-time causal and stable LTI system?

For the signal \( x(t) = [1 + 0.5 \cos(40\pi t)] \cos(200\pi t) \), find the fundamental frequency in Hz.

In a parallel RC circuit, the supply current always \underline{\hspace{2cm}} the applied voltage.