2. Electric potential due to a point charge | 12th | Physics Handwritten Notes

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Me bahut kush hu aapko dekh k ............ 👌

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Great work 🎉

[@VikasKumar-cd6oc]

Wrong ans
dw is work by electric field not us

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....easy and nice explanation sir....God bless you sir.....

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thank u ❤ can u help me with how to find questions ❓ on that topic

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[@winter_soldier5475]

Sir plz clear one doubt
U calculated the potential through work done by force due to field but in definition it is external force and ext. Force is opposite to field force

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[@asitpurohit_108]

But potential is equal to negative of work done by conservative force and equal to work done by external force ...you should add negative here at the end to get potential because u have taken work done by conservative force here

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[@Sanskar_Raii]

Great teaching effort sir...
But, you've considered ELECTRIC FORCE while calculating the work
Whereas while calculating potential we always consider work done by EXTERNAL FORCE, which is in the same direction as displacement (dx)
Then, shouldn't the value of theta be taken 0°

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[@hemantkumar-or8mr]

Electric force and displacement are in opposite direction then how can work is positive.....can you explain?

[@SomeOne-n9h]

Magnitude of work is considered

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@@SomeOne-n9h mere bhai work scalar hi hota hai

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I hope you will make video points to ponder as soon as possible.

[@MintEmi-gd7zk]

Work external agent ka nikal rhe tho Fe ko forumle me rkhne se phle negative lagaiye....or external agent force and displacement same direction me hai tho cos0° ayega.??? Plz help

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[@mahadeepbehera2536]

That's wrong. Because you're initially calculating Workdone by Electric Force. And it comes out to be positive... Which is wrong. Electric force is doing negetive work here. You're taking the direction part two times.
W ( external ) = - W ( electric )

[@amantiwari8316]

Sir but you've find potential using conservative force instead of external force... Since the work done by ext force gets stored in charge in form of potential energy not due to electric force??? So i think there should be negative dign

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Sir reply toh krdo mere question ka???

[@aafaqiqbal6868]

Yes bro.... work is done by external force...and negative is due to ... negative rate of change...as velocity is negative as x is decreasing ...

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You are clear my concept

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Electrostatic force ki jagah external force use hoga na dw nikalne me?

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Ha bhai dx displacement to fext ke wajah se aaya na !!

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[@matthewruji6744]

Sir what will happen if we take - Q...

[@matthewruji6744]

Sir can we take negative Q charge instead of positive Q charge in this calculation...?

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Vat point p = KQ/r where, Q should be placed with sign

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[@prameelatalupula6416]

Why do we take charge from infinity to calculate potential can't we calculate it from charge having constant

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Sir, please make video on points to ponder "class 12 electric charges and fields" with your great explanation.

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