Related InterviewSolutions

• A sinusoidal voltage v = 50sinωt is applied to a series RL circuit. The current in the circuit is given by I = 25sin (ωt-53⁰). Determine the average power.(a) 365(b) 370(c) 375(d) 380This question was addressed to me during an interview for a job.The query is from Reactive Power in section Power and Power Factor of Network Theory
• A sinusoidal voltage v = 50sinωt is applied to a series RL circuit. The current in the circuit is given by I = 25sin (ωt-53⁰). Find the power factor.(a) 0.4(b) 0.5(c) 0.6(d) 0.7This question was addressed to me during an internship interview.This intriguing question originated from Reactive Power in chapter Power and Power Factor of Network Theory
• A sinusoidal voltage v = 50sinωt is applied to a series RL circuit. The current in the circuit is given by I = 25sin (ωt-53⁰). Determine the apparent power (VA).(a) 620(b) 625(c) 630(d) 635I had been asked this question in unit test.Origin of the question is Reactive Power in portion Power and Power Factor of Network Theory
• The average power (Pavg) is expressed as?(a) Pasecθ(b) Patanθ(c) Pacosθ(d) PasinθThis question was addressed to me at a job interview.The query is from Reactive Power in portion Power and Power Factor of Network Theory
• The equation of reactive power is?(a) Pacosθ(b) Pasecθ(c) Pasinθ(d) PatanθThe question was asked during an internship interview.Question is from Reactive Power topic in section Power and Power Factor of Network Theory
• The expression of reactive power (Pr) is?(a) VeffImsinθ(b) VmImsinθ(c) VeffIeffsinθ(d) VmIeffsinθThis question was posed to me in semester exam.My question is taken from Reactive Power in section Power and Power Factor of Network Theory
• The expression of true power (Ptrue) is?(a) Pasinθ(b) Pacosθ(c) Patanθ(d) PasecθI have been asked this question in homework.This question is from Reactive Power in chapter Power and Power Factor of Network Theory
• The power factor is the ratio of ________ power to the ______ power.(a) average, apparent(b) apparent, reactive(c) reactive, average(d) apparent, averageI got this question in examination.The above asked question is from Reactive Power topic in division Power and Power Factor of Network Theory
• Reactive power is expressed in?(a) Watts (W)(b) Volt Amperes Reactive (VAR)(c) Volt Ampere (VA)(d) No unitsThe question was posed to me in semester exam.Asked question is from Reactive Power in chapter Power and Power Factor of Network Theory
• The reactive power equation (Pr) is?(a) Ieff^2 (ωL)sin2(ωt+θ)(b) Ieff^2 (ωL)cos2(ωt+θ)(c) Ieff^2 (ωL)sin(ωt+θ)(d) Ieff^2 (ωL)cos(ωt+θ)I got this question by my school principal while I was bunking the class.My question is based upon Reactive Power in portion Power and Power Factor of Network Theory