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Magnetics · 2004 · Shift 0

4 Physics questions from this JEE Main paper
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Magnetics · 2004 · Shift 0

4 Physics questions from this JEE Main paper

  1. Q128.A current i ampere flows along an infinitely long straight thin walled tube, then the magnetic induction at any point inside the tube is
    Physics · Magnetics · MCQ
  2. Q142.A long wire carries a steady current. It is bent into a circle of one turn and the magnetic field at the centre of the coil is B. It is then bent into a circular loop of n turns. The magnetic field at the center of the coil will be
    Physics · Magnetics · MCQ
  3. Q143.The magnetic field due to a current carrying circular loop of radius 3cm at a point on the axis at a distance of 4cm from the centre is 54μT. What will be its value at the center of loop?
    Physics · Magnetics · MCQ
  4. Q145.Two long conductors, separated by a distance d carry current I1​ and I2​ in the same direction. They exert a force F on each other. Now the current in one of them is increased to two times and its direction is reversed. The…
    Physics · Magnetics · MCQ