Testbook Logo
Exams SuperCoaching Test Series Skill Academy
More
English
Hindi

Question

Download Solution PDF

A continuous time signal is said to be periodic if x(t) = x(t + T0). Here, T0 is called

This question was previously asked in
HPCL Engineer Electrical 11 Aug 2021 Official Paper
Download PDF Attempt Online
View all HPCL Engineer Papers >
  1. Starting period
  2. Dummy period
  3. Sampling period
  4. Fundamental period

Answer (Detailed Solution Below)

Option 4 : Fundamental period
Free Tests
View all Free tests >
Free
Soil Mechanic for All AE/JE Civil Exams Mock Test
7.4 K Users
20 Questions 20 Marks 20 Mins
Start Now

Detailed Solution

Download Solution PDF

Concept:

A continuous-time signal is said to be called a periodic signal if it repeats itself after a specific period of time (T0).

This time (T0) is known as the fundamental time period.

A periodic signal can be expressed as:

x(t) = x(t + T0)

611f8683ee492cad92fb6fd0 16567880425081

Download Solution PDF
Latest HPCL Engineer Updates

Last updated on Jun 2, 2025

-> HPCL Engineer 2025 notification has been released on June 1, 2025.

-> A total of 175 vacancies have been announced for the HPCL Engineer post in Civil, Electrical, Mechanical, Chemical engineering.

-> HPCL Engineer Online application will be activated from 1st June 2025 to 30th June 2025.

-> Candidates with a full-time engineering discipline in the relevant stream are eligible to apply.

-> The selection will be based on a Computer Based Test Group Task and/or Interview. Prepare for the exam using HPCL Engineer Previous Year Papers.

More Classification of Signals Questions

Q1.Which signal is described by x(t) = At, for t ≥ 0  = 0, for t < 0
Q2.What is the average value of a(t) = |Amsinwt|? 
Q3.Consider a system with input 𝑥(𝑡) and output 𝑦(𝑡) = 𝑥(𝑒𝑡). The system is 
Q4.The output of a system 𝑦(𝑡) is related to its input 𝑥(𝑡) according to the relation 𝑦(𝑡) = 𝑥(𝑡) sin(2𝜋𝑡). This system is _______
Q5.Consider the system represented by y[n] = 2x[n] + 3 A. The system is linear. B. The system is non‐linear. C. The system does not have homogeneity property. D. The system follows the additive property. Choose the correct answer from the options given below: 
Q6.Consider a signal x (t) = 5 cos \(\left( {\frac{{2π t}}{3}} \right)\)+ 9 sin (0.5π t) + 3 sin \(\left( {\frac{{\pi t}}{3} - \frac{\pi }{6}} \right)\)+ 12. Identify the valid statement for x (t).
Q7.What is the even part of the signal x(t) = 2 + cost ?
Q8.In which one of the following techniques, RF binary signals are transmitted as given? \(0:\sqrt 2 p'(t)\cos [{\omega _c} - (\Delta \omega /2)]t\) \(1:\sqrt 2 p'(t)\cos [{\omega _c} + (\Delta \omega /2)]t\)
Q9.For a periodic signal v(t) = 30 sin100t +10cos300t + 6 sin(500t + π/4) , the fundamental frequency in rad/s is
Q10.The system represented by \(y(n) = \frac 1 3 (x[n] + x[n - 1] + x[n + 2])\) is

More Introduction To Signals and Systems Questions

Q1.The equation for voltage waveform v(t) shown below is (where u(t) is unit step input) :
Q2.A continuous-time signal x(t) is defined as : \(x(\mathrm{t})=\left\{\begin{array}{cc} 5 & -2 \leq \mathrm{t} \leq 2 \\ 0 & \text { otherwise } \end{array}\right.\) The energy of signal x(t) is : 
Q3.Which signal is described by x(t) = At, for t ≥ 0  = 0, for t < 0
Q4.What is the average value of a(t) = |Amsinwt|? 
Q5.If x(n) is defined as discrete time signal, then \(\rm \Sigma_{n=-\infty}^{\infty}|x(n)|^2=?\)
Q6.Consider a system with input 𝑥(𝑡) and output 𝑦(𝑡) = 𝑥(𝑒𝑡). The system is 
Q7.The output of a system 𝑦(𝑡) is related to its input 𝑥(𝑡) according to the relation 𝑦(𝑡) = 𝑥(𝑡) sin(2𝜋𝑡). This system is _______
Q8.Given below are two statements Statement I: The scaling theorem relates scale changes in frequency domain to the consequent changes in scale in the time domain. Statement II: The scaling theorem is not applicable to an impulse signal. In light of the above statements, choose the correct answer from the options given below
Q9.Arrange the following system types in ascending order of their intersection with 0 dB axis. A. Type N system B. Type 3 system C. Type 2 system D. Type 4 system Choose the correct answer from the options given below
Q10.Consider the system represented by y[n] = 2x[n] + 3 A. The system is linear. B. The system is non‐linear. C. The system does not have homogeneity property. D. The system follows the additive property. Choose the correct answer from the options given below: 
Suggested Test Series
View All >
Vocabulary Master for All Government Exams Mock Test
309 Total Tests with 0 Free Tests
Start Free Test
AE & JE Electrical Engg. Exams Previous Year Papers Mock Test
276 Total Tests with   3 Free Tests
Start Free Test

More Signals and Systems Questions

Q1.The Fourier Transform of an real and even function results in:
Q2.Sinc pulse shaping is derived from the Fourier Transform of a _______ function.
Q3.What type of distortion occurs if a signal that contains frequency components up to 15 kHz is sampled using 20 kHz?
Q4.Which one of the following systems described by the following input-output relations is time invariant ? 
Q5.The equation for voltage waveform v(t) shown below is (where u(t) is unit step input) :
Q6.A continuous-time signal x(t) is defined as : \(x(\mathrm{t})=\left\{\begin{array}{cc} 5 & -2 \leq \mathrm{t} \leq 2 \\ 0 & \text { otherwise } \end{array}\right.\) The energy of signal x(t) is : 
Q7.If Z(un) = f(z), then Z(a − nun) (where Z denotes z-transform) equals to :
Q8.The Laplace transform of x(t) is \(\sqrt{\frac{2}{s-3}}\).  Then Laplace transform of e−6tx(t) is :
Q9.Which one of the following is the correct relation ? (a > 0) 
Q10.What is the formula of finding the final value of any time varying function f(t)?
Important Exams
Super Coaching
Exams
Test Series
Previous Year Papers
Objective Questions
Testbook Edu Solutions Pvt. Ltd.
1st & 2nd Floor, Zion Building,
Plot No. 273, Sector 10, Kharghar,
Navi Mumbai - 410210
[email protected]
Toll Free:1800 833 0800
Office Hours: 10 AM to 7 PM (all 7 days)
Company
About usCareers We are hiringTeach Online on TestbookPartnersMediaSitemap
Products
Test SeriesTestbook PassOnline CoursesOnline VideosPracticeBlogRefer & EarnBooks
Our Apps
Follow us on
Copyright © 2014-2022 Testbook Edu Solutions Pvt. Ltd.: All rights reserved
User PolicyTermsPrivacy
Get Free Access Now
Hot Links： teen patti fun teen patti royal - 3 patti teen patti win teen patti comfun card online teen patti neta