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In the equation x(t) = a(t)cos, Which of the following relations between a(t) and x(t), θ(t) and x(t) are true?

In the equation x(t) = a(t)cos, Which of the following relations between a(t) and x(t), θ(t) and x(t) are true? Correct Answer 2πFct+θ(t)

In the equation x(t) = a(t) cos, the signal a(t) is called the Envelope of x(t), and θ(t) is called the phase of x(t).

Related Questions

Facts related to public relations are given below
1. Internal relations
2. Customer relations
3. Concept of public relations
4. Internal coordination
Which of the above given is/are types of public relations?
Which of the following statements about the definition of 'Trade Union' as given in the Trade Unions Act, 1926 is not true?
1. A trade union is any combination, whether temporary or permanent.
2. It regulates the relations between workmen and employer.
3. It does not regulate the relations between workmen and workmen.
4. It regulates relations between employers and employers.
Consider the following statements with reference to Kant and select the correct option.
1. Kant rejects the notion that space and time are concepts which have been derived from our experience of relations between things.
2. Kant accepts the notion that space and time are concepts which have been derived from our experience of relations between things.
3. Kant rejects the notion that space and time are concepts which are not derived from our experience of relations between things.
In the following passage some of the words have been left out. Read the passage carefully and choose the correct answer for the given blank out of the four alternatives.
The nation has been _____as a relatively extensive, territorial relation of nativity. We have further formulated the_____of the nation as a territorially_____, yet bounded, social relation for the generation, transmission, and ____of life. When the nation is a national state, it is also a_____for the protection of life. The nation is often ______by the metaphor of familial relations and, indeed, has sometimes been considered as some kind of_____family. This is understandable because both the nation and the family are relations of_____. Nonetheless, there is an important difference, and to understand this will _____a more detailed examination of the_____ between territory and bonding.
This is understandable because both the nation and the family are social relations of________.
Which of the following statements relating to the system of collective bargaining in United Kingdom is true?
1. It is covered under the Trade Unions and Labour Relations Act, 1974.
2. It is covered under the Trade Unions and Labour Relations (Consolidation) Act, 1992.
3. It is covered under the Employment Relations Act, 1999.
4. It is not covered under any legislation.
In the following passage some of the words have been left out. Read the passage carefully and choose the correct answer for the given blank out of the four alternatives.
The nation has been _____as a relatively extensive, territorial relation of nativity. We have further formulated the_____of the nation as a territorially_____, yet bounded, social relation for the generation, transmission, and ____of life. When the nation is a national state, it is also a_____for the protection of life. The nation is often ______by the metaphor of familial relations and, indeed, has sometimes been considered as some kind of_____family. This is understandable because both the nation and the family are relations of_____. Nonetheless, there is an important difference, and to understand this will _____a more detailed examination of the_____ between territory and bonding.
The nation is often_______by the metaphor of familial relations
A class III mathematics teacher gave the following questions to her students:  \(\begin{equation} \frac{ \begin{array}[b]{r} 256 \\ + 173 \end{array} }{ } \end{equation}\) \(\begin{equation} \frac{ \begin{array}[b]{r} 28 \\ + 32 \end{array} }{ } \end{equation}\) \(\begin{equation} \frac{ \begin{array}[b]{r} 129 \\ + 76 \end{array} }{ } \end{equation}\) Later she asks the students to solve a worksheet that has similar questions. Which of the following statements is appropriate for the given situation?
Consider the following statements in respect of relations and functions: 1. All relations are functions but all functions are not relations. 2. A relation from A to B is a subset of Cartesian product A × B. 3. A relation in A is a subset of Cartesian product A × A. Which of the above statements are correct?
Which one of the following is/are incorrect statement/s?
1. The 'Neemrana Dialogue' is on India-China relations.
2. The 'Ottawa Dialogue' is on India-Pakistan relations.
3. Shangri-La Dialogue is on India-Singapore relations.
4. Raisina Dialogue is India's flagship conference of geopolitics and geoeconomics.
Select the correct answer:
From an alloy, two specimens are machined and tested separately under tension and compression. The engineering stress-strain curves as well as the true stress-true strain curves for tension and compression are plotted in the same diagram. Identify the correct statements:
P. The engineering stress-strain curves in tension and compression are identical.
Q. The true stress-true strain curve in compression is lower than the true stresstrue strain curve in tension due to Bauschinger effect.
R. The true stress-true strain curve in tension is above the corresponding engineering stress-strain, curve.
S. The true stress-true strain curve in tension and compression are identical.