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An infinite long wire carrying a current I(t) = I0 cos(ωt) is placed at a distance a from a square loop of side a  in the figure. If the resistance of the loop is  R, then the amplitude of the induced current in the loop is :
  • a)
  • b)
  • c)
  • d)
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
An infinite long wire carrying a currentI(t) = I0 cos(ωt)is plac...
To find out the flux through the loop. Consider an element of length a and breadth dx at a distance x  from wire.
∴  Area = adx = dS
Let the orientation of the loop is such that    lie in same direction,    is unit normal to surface.
Magnetic field due to long current carrying conductor wire.
at a distance x is given by
Flux of magnetic field through  element



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Most Upvoted Answer
An infinite long wire carrying a currentI(t) = I0 cos(ωt)is plac...
To find out the flux through the loop. Consider an element of length a and breadth dx at a distance x  from wire.
∴  Area = adx = dS
Let the orientation of the loop is such that    lie in same direction,    is unit normal to surface.
Magnetic field due to long current carrying conductor wire.
at a distance x is given by
Flux of magnetic field through  element



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An infinite long wire carrying a currentI(t) = I0 cos(ωt)is placed at a distanceafrom a square loop of sidea in the figure. If the resistance of the loop isR, then the amplitude of the induced current in the loop is :a)b)c)d)Correct answer is option 'A'. Can you explain this answer?
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