Doubt from magnetism

I saw this amazing looking question, tried it but i was not able to get the answer…
Can anyone help me with it… I think it is definitely an advanced level question…


@Sanjay_S
@Neel
@Seshank

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Exact same question was there in our workbook

@Navjeet_Kohli are you a dropper ? Just asking coz everyone is doing boards stuff now and not jee

Which workbook??

No bro… In 12th now… I too have my boards… Starts on 4th march…
But i was doing boards stuff along with jee in 12th…and also had given unit tests, mid terms, preboards etc in my college… So i m only revising now and i have given just 4 hours time for jee prep and rest for boards… :sweat_smile:

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I always think from where do people get such awesome questions!!?
I find such questions but don’t get them anywhere…
If you know any such sources please share…

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Fiitjee workbook

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You mean the module?
If you know how to solve can you send the solution


I know it’s wrong…
But can you find what I’m missing on…
What’s your approach ??

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Bro relate the variables, keeping in mind velocity is variable.
You will find an shm type equation. Will upload the solution in morning

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Bro check this pl…shm thing what you told @manan_uppadhyay
I’m still not getting it

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Seems correct. Write it in the form of x=Asin(wt)

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How is velocity variable…???

Now consider velocity as V0sin(wt+fi), as manan said… Now at t=0, V=V0… So fi= 90 degrees…
Now put this in the force equation
Bil= mdv/dt… And find i…

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You had already solved this question??
Or tried it just now?

@Neel bro can you share some more questions of this type ( i mean of this level).??

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I had solved similar ones. Do dcp level 2 subjective. You want photos?

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Ya… I don’t have dcp…


Book pdf

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Thanks a lot @manan_uppadhyay @Navjeet_Kohli…got it…

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wth @Neel @Navjeet_Kohli english bhi paadlo bhai

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