Phasors (Solved Problem 1)

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Network Theory: Phasors (Solved Problem 1)
Topics discussed:
1) The solution of electrical networks using the phasor analysis.

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Axol x Alex Skrindo - You [NCS Release]

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In question 2, is there any need of phasor?

i(t)=v(t)/2
i(t)=6sin(wt+10°)/2
i(t)=3sin(wt+10°)

sayan

In the first example you said the value of 10 in the give phasor was = Vrms, then in the 2nd example the value of 6 in the phasor was not Vrms but Vm instead?? How do you decide whether the first value in the phasor is rms or just m?

MuhNeh

How would I decide whether to take Vm as peak value or rms value.
And in question if Vm is assumed to be rms values then Im in expression of i(t) should be in rms as well
(but you have placed peak value of Im).
Please clarify ..

Deepakkumar-tqxv

Since its Im, , , why have we not divided by √2 to obtain i(t)?

thepearlstudioske

In first problem you taken 10 as rms and
second problem you have taken 3 as maximum

emcknowledge

Second solution will be like
i(t)=v(t)/2
={6sin(wt+10°)}/2
=3sin(wt+10°)
This ans is same as your answer.
But why do i take phasor form of voltage? And then get phasor form of current and then get i(t)
Is there any Necessity to follow these steps?

mdrashedmiah

Q.peak or RMS
A. First question the voltage given was in phasor form so that was the RMS value in the second question it was given in sinusoid form and in sinusoid form the amplitude given is the max value so he took peak value..hope it clears!!

shivanshutripathi

I might be mistaken but since the second question is sin, shouldnt the phase angle be (10-90) since this the phase angle has to be correlated to cosine

MattElliott-ri

Sir is there more topics to cover in networks syllabus??

barath

Sir can we know when ur complete this course... So that we can prepare further...

manikanta-ohqy

Thank you sir....please sir at least upload one video daily.. Time is so less....

jitendrasingh-eygr

why haven't you converted to cosine ? for the second one

johnmbamvu

Thank you very much sir
Sir please upload 1 video everyday because time is to short

hamzaabbasi

paper for gate and ese, in that we have to take rms or peak?

manasmalik

Please upload videos on power electronics

surajgheware

nice video I am from aktu watching video for electricals is there anyone else doing the same

truth_speaker__

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