iTeachChem

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iTeachChem

A Study Community for Everyone and Everything. We have weekly sessions on Spirituality, Math and Science! JEE, NEET prep? All doubts are crowdsourced. Hare Krishna!

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EMI

when finding current, sir took BlV/R and not Bcos(alpha) due to which my answer is little different from sir's solution. i dont know why sir didnt take Bcos(alpha) when finding current or EMF but just took B without any components Thanks...
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Kinetic Decay

ye karna to nahi sikhaya hume 😭
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Kinetics

how to approach this
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emi 2

i am getting magnetic force = B^2WL^3/2R which should be equal to external force as well torque is just option A but with 4 instead of 2 CD aa gye...
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Wpe

How do I do this mathematically, option 3 toh dikh rha hai kyunki newton's cradle works like that, but how do I work out the soln

Coupling factor

So if there is a soft iron core and 3 different wires are wrapped around in it, where wite 1 bas flux as phi 1 and wire 2 has flux as phi 2 what would be the eqn for coupling factor of wire three??

kinematics

why is this 120 deg from stream direction and not 60 deg
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nitration electrophilic aromatic subs

how do i know which one would be major? why can't it be ortho to the och3 grp and para to nh2. what's the reason for this being the major product (given in the img)
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magnetics- force calculation

is what i've done right? im not so sure. and if so, how do i proceed with calculating theta?
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Haloalkanes reactivity

what to think in this
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Haloalkanes

how do i interpret this properly?
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