RESO JPT

P,Q,R & S lie at the edges of a SQUARE OF side A..8 WIRES OF SAME resisstance per unit length μ are connected as shown...A time varying magnetic field(inside the plane of the page) B=B0t exists in space.Then current through the wire PQ is?

7 Answers

62
Lokesh Verma ·

the middle wires will have no current

only current will be in the outermost loop...

now can you solve it?

1
kamalendu ghosh ·

Yes I have solved it that way....but can u say y the middle wires wll have no I?? I took all possible areas n saw that in each half of the cases I thru the middlee wires is equal n opposite..??that is y it is 0...effective area wll be that of the sq. PQRSAm I wrong??

62
Lokesh Verma ·

exactly for the same reason kamalenu :)

1
kamalendu ghosh ·

Thanx...

1
kamalendu ghosh ·

well...I do know that prfrmance in RESONANCE xams is not all...but can u say....bhaiya..what rank shud one is gettin in resonance AITS ..which might indicate that his prparation is in the right direction?? RESO gives AITS among its all students....(NO percentile)

62
Lokesh Verma ·

kamalendu i am not fully sure on this one.. i dont know how many classroom students get into iit! :(

1
kamalendu ghosh ·

well...I am not a classrum syudent...just appear for the AITS...anyway thnx

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