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The ratio of the RMS amplitude of the higher order harmonic frequencies to the RMS amplitude of the fundamental frequency is commonly called __________

Correct Answer: Total harmonic distortion
THD is the ratio of RMS amplitude of higher order harmonic frequencies to the RMS amplitude of the fundamental frequency. THD is expressed in percentage.

Calculate the harmonic distortion component for an output signal having a fundamental amplitude of 3 V and a second harmonic amplitude of 0.25 V.

What is the total harmonic distortion if the amplitude of first harmonic distortion is 20dB and second harmonic distortion 25dB?

What is the total harmonic distortion if the amplitude of first harmonic distortion is 20dB, second harmonic distortion 25dB and external noise is 10dB?

Which of the following statement/s about Fundamental Duties is/are not correct?
1. The Fundamental Duties are incorporated in Article 51A (part IVA) of Consitution.
2. The Fundamental Duties are inserted in the Constitution by the 42nd Constitution Amendment Act, 1976.
3. The Fundamental Duties have to be fulfilled by every person living in India.
4. The eleventh Fundamental Duty was added by the 86th Constitution Amendment Act, 2006.
Choose the correct answer:

If Vr is the rms value of the inverter output voltage and V1 is the rms value of the fundamental component, then the total harmonic distortion (THD) is given by 1/2 d) 2

What can be termed as frequencies higher than the fundamental frequencies?

The ratio of the RMS value of additional frequency components in output to the RMS value of the original output of the amplifier is called __________

In a first order high pass filter, frequencies higher than low cut-off frequencies are called

A filter that passes frequencies between two designated cut-off frequencies and attenuates all other frequencies is called?

A filter that passes all frequencies lying outside a certain range, while it attenuates all frequencies between the two designated frequencies is called?