Numerical 2 on Norton's Theorem (Unit 1 DC circuits) BEE

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problem on Nortons theorem is solved.

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Sir has done absolutely right, first of all you can find the value of current by using kvl or kcl or ohm law...

Second thing is that everyone is having doubts as to why only KVL was used, current can be obtained by Ohm's law also..

When you find the current using Ohm's law, it comes out to be 2.75 and the value of current found by Sir is 1.5 ... So let me tell you that Norton current is the one which is passing through RL i.e. I2 and what you are getting from Ohm's law is not the value of I2 because the current is getting divided into 3 ohm and 2.5 ohm branches....

So if you want to find the current using Ohm's law, you can do it but the calculation will increase and you will have to apply CDR (current divide rule) because 2.75 ampere is the equivalent current which is being divided...

CDR = I total + opposite branch r/ r of opposite branch+ r of current branch

CDR=2.75×3/3+2.5
CDR=1.5 amp

This is equivalent current (I n)

UV_

sir i have one doubt, can we first find the total current in the first step and then find the current flowing through 2.5 ohm by current divide rule
, we will get In??

aniisop

Sir tamhe step 1 ma jyare in find karta hata tyare why did you apply kvl instead of divivdind 12÷R equivalent sir pls clear my doubt

kirupatel

Sir agr isme bhi KVL and KCL lagana pad rha hai to isse simple hum sidha sirf KVL and KCL se solve krke answer nhi nikal skte kya ?

MILAN-pyqo

Very good teaching.. really helpful sir .. thankyou 😊

AnjaliVerma-qw

Sir i have a doubt.
Norton wale first question mein bhi apne 1st step mein short circuit karwaya tha isliye sara current load resistor se pass hua tha abd R2=3OHMS (beech wala) se 0.but in this question everything is same, still why have you considered current passing through 3ohm resistor in the middle? I have exams sir please reply

VibrancyFlies

Sir, how do we know when we have to use Norton's theorem or Thevenin's theorem?

rhea

Sir is right guys don't be confused ...

sciencetechnology

sir ise hm series vale rule se bhi kam kar sakte hai

ans =0.66

Motivationalvideos

Sir isme loop Leni jaruri hey ya fir direct bhi ho sakta hey javab

DhruvThacker-pclx

ALROUNDER SIR PLEASE MAKE VIDEO ON CHEMISTRY SUBJECT...

playtimehere

Sir why we didn't not use ohm's law here to find In

deepanshudubey

Sir I(n) means total current so why did we used KCL KVL to find it why didn't we find R(eqiuvalent) and then used Ohm's law

adityaahir

Sir bija thoda example na video upload karo plz..

hetpatel

Ohm's Law Se Mera iN 2.75A aa Raha Hai And iL 1.222A aa Raha Hai...

playtimehere

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