Related InterviewSolutions

• What is the value of a THDF for a sawtooth wave?(a) 48.3%(b) 80.3%(c) 12.1%(d) 37.0%This question was posed to me during an interview.I'd like to ask this question from Higher-Order Harmonic Distortion in division Large Signal Amplifiers of Electronic Devices & Circuits
• Which of the following technique is used to increase the efficiency of class A amplifier?(a) By using FET(b) By using PNP transistor(c) By using matched transformers as load(d) By using potentiometers as loadThe question was posed to me in unit test.Question is taken from Class A Large Signal Amplifiers in division Large Signal Amplifiers of Electronic Devices & Circuits
• What is the value of a THDF for a square wave?(a) 48.3%(b) 80.3%(c) 12.1%(d) 37.0%The question was asked by my school teacher while I was bunking the class.The doubt is from Higher-Order Harmonic Distortion in portion Large Signal Amplifiers of Electronic Devices & Circuits
• What is the value of a THDF for a symmetrical triangle wave?(a) 48.3%(b) 80.3%(c) 12.1%(d) 37.0%I have been asked this question in examination.This question is from Higher-Order Harmonic Distortion topic in section Large Signal Amplifiers of Electronic Devices & Circuits
• Lower order harmonics are harder to hear compared to the higher order harmonics.(a) True(b) FalseThe question was asked during an interview.This interesting question is from Higher-Order Harmonic Distortion in portion Large Signal Amplifiers of Electronic Devices & Circuits
• Which of the following configuration classes has the lowest second order harmonics?(a) Class A(b) Class AB(c) Class B(d) Class CThis question was addressed to me during an online interview.The origin of the question is Second Harmonic Distortion in division Large Signal Amplifiers of Electronic Devices & Circuits
• What is the signal to noise ratio (SNR) of a second harmonic wave if the input signal amplitude is 20dB and the output signal amplitude is 25dB?(a) 0.8(b) 0.5(c) 1.25(d) 1.5The question was asked by my school teacher while I was bunking the class.The query is from Second Harmonic Distortion in division Large Signal Amplifiers of Electronic Devices & Circuits
• What reduces the second harmonic distortion?(a) Amplifiers(b) Demodulators(c) Modulators(d) Transistor switch arraysThis question was addressed to me in semester exam.My doubt is from Second Harmonic Distortion in portion Large Signal Amplifiers of Electronic Devices & Circuits
• If DC power for a Class A amplifier is 500W and AC power is 150W, what is its efficiency?(a) 50%(b) 75%(c) 20%(d) 30%I have been asked this question by my school teacher while I was bunking the class.My enquiry is from Class A Large Signal Amplifiers in chapter Large Signal Amplifiers of Electronic Devices & Circuits
• What is the second harmonics of a wave form with fundamental frequency of 50Hz?(a) 50Hz(b) 150Hz(c) 25Hz(d) 100HzThis question was addressed to me during an interview.This is a very interesting question from Second Harmonic Distortion topic in portion Large Signal Amplifiers of Electronic Devices & Circuits