In P (t) equation, if θ=0, then P (t) =?

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In P (t) equation, if θ=0, then P (t) =?

asked Oct 19, 2021 in Education by JackTerrance

In P (t) equation, if θ=0, then P (t) =? (a) (VmIm/2)(1+cos⁡ωt) (b) (VmIm/2)(cos⁡ωt) (c) (VmIm/2)(cos⁡2ωt) (d) (VmIm)(1+cos⁡2ωt) This question was posed to me during an interview. Query is from Instantaneous Power topic in portion Power and Power Factor of Network Theory Select the correct answer from above options network theory questions and answers, network theory questions pdf, network theory question bank, network theory gate questions and answers pdf, mcq on network theory pdf, gate network theory questions and solutions, network theory mcq Test , ies network theory questions, Network theory Questions for GATE EC Exam, Network Theory MCQ (Multiple Choice Questions)

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JackTerrance · Answer 1 · 2021-10-19T04:47:37+0000

Right option is (d) (VmIm)(1+cos⁡2ωt) To elaborate: In P (t) equation, if θ=0⁰, then P (t) =(VmIm/2)(1+cos⁡2ωt). The power wave has a frequency twice that of the voltage or current. Here the average value of power is VmIm/2.