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Class 12 Exam  >  Class 12 Questions  >  Find the true statement.a)The value of the ha... Start Learning for Free
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Find the true statement.
  • a)
    The value of the harmonic is equal to its contribution to the waveform
  • b)
    The value of the harmonic is directly proportional to its contribution to the waveform
  • c)
    The value of the harmonic is independent of its contribution to the waveform
  • d)
    The value of the harmonic is inversely proportional to its contribution to the waveform
Correct answer is option 'D'. Can you explain this answer?
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Find the true statement.a)The value of the harmonic is equal to its co...
When the bandwidth is large enough to accommodate a few harmonics, the information is not lost and the rectangular signal is more or less recovered. This is so because the higher the harmonic, the less is its contribution to the waveform. Therefore, the value of the harmonic is inversely proportional to its contribution to the waveform.
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Find the true statement.a)The value of the harmonic is equal to its co...
The statement that "The value of the harmonic is inversely proportional to its contribution to the waveform" is true.

Explanation:

- **Harmonic Value**: The value of a harmonic refers to its magnitude or amplitude in a waveform.

- **Contribution to the Waveform**: The contribution of a harmonic to a waveform is determined by how much it affects the overall shape or characteristics of the waveform.

- **Inversely Proportional Relationship**: When something is inversely proportional, it means that as one value increases, the other value decreases. In this case, the statement is referring to the relationship between the value of a harmonic and its contribution to the waveform.

- **Explanation**: A harmonic that has a higher value will actually have a smaller contribution to the waveform, and vice versa. This is because harmonics with lower values have a more significant impact on the overall shape of the waveform, while higher-value harmonics have a lesser effect.

- **Example**: For example, in a Fourier series analysis of a waveform, the fundamental frequency (which has the highest contribution) will have the lowest value compared to its harmonics. This is because the fundamental frequency shapes the waveform the most, while higher harmonics contribute less to the overall shape.

Therefore, the statement that "The value of the harmonic is inversely proportional to its contribution to the waveform" accurately describes the relationship between harmonic value and its impact on the waveform.
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Direction: Read the passage given below and answer the following questions:Boiling point or freezing point of liquid solution would be affected by the dissolved solids in the liquid phase. A soluble solid in solution has the effect of raising its boiling point and depressing its freezing point. The addition of non-volatile substances to a solvent decreases the vapour pressure and the added solute particles affect the formation of pure solvent crystals.According to many researches the decrease in freezing point directly correlated to the concentration of solutes dissolved in the solvent. This phenomenon is expressed as freezing point depression and it is useful for several applications such as freeze concentration of liquid food and to find the molar mass of an unknown solute in the solution. Freeze concentration is a high quality liquid food concentration method where water is removed by forming ice crystals. This is done by cooling the liquid food below the freezing point of the solution. The freezing point depression is referred as a colligative property and it is proportional to the molar concentration of the solution (m), along with vapour pressure lowering, boiling point elevation, and osmotic pressure. These are physical characteristics of solutions that depend only on the identity of the solvent and the concentration of the solute. The characters are not depending on the solute’s identity.Q.Colligative properties are

Find the true statement.a)The value of the harmonic is equal to its contribution to the waveformb)The value of the harmonic is directly proportional to its contribution to the waveformc)The value of the harmonic is independent of its contribution to the waveformd)The value of the harmonic is inversely proportional to its contribution to the waveformCorrect answer is option 'D'. Can you explain this answer?
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Find the true statement.a)The value of the harmonic is equal to its contribution to the waveformb)The value of the harmonic is directly proportional to its contribution to the waveformc)The value of the harmonic is independent of its contribution to the waveformd)The value of the harmonic is inversely proportional to its contribution to the waveformCorrect answer is option 'D'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about Find the true statement.a)The value of the harmonic is equal to its contribution to the waveformb)The value of the harmonic is directly proportional to its contribution to the waveformc)The value of the harmonic is independent of its contribution to the waveformd)The value of the harmonic is inversely proportional to its contribution to the waveformCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Find the true statement.a)The value of the harmonic is equal to its contribution to the waveformb)The value of the harmonic is directly proportional to its contribution to the waveformc)The value of the harmonic is independent of its contribution to the waveformd)The value of the harmonic is inversely proportional to its contribution to the waveformCorrect answer is option 'D'. Can you explain this answer?.
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