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A circular coil, formed by 200 turns of 10 cm radius, is located perpendicular to a magnetic field of 0.2 T. Determine the e.m.f. induced in the coil in the following cases referring to a time interval equal to 0.1 s: the magnetic field doubles; the magnetic field is canceled; the direction of the magnetic field is reversed; the coil is rotated 90∘ around the axis parallel to the magnetic field; the coil is rotated 90∘ around the axis perpendicular to the magnetic field.

A circular coil, formed by 200 turns of 10 cm radius, is located perpendicular to a magnetic field of 0.2 T. Determine the e.m.f. induced in the coil in the following cases referring to a time interval equal to 0.1 s: the magnetic field doubles; the magnetic field is canceled; the direction of the magnetic field is reversed; the coil is rotated 90∘ around the axis parallel to the magnetic field; the coil is rotated 90∘ around the axis perpendicular to the magnetic field.

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  1. A circular coil, formed by 200 turns of 10 c m radius, is located perpendicular to a magnetic field of 0.2 T . Determine the e.m.f. induced in the coil in the following cases referring to a time interval equal to 0.1 s :
  2. the magnetic field doubles;
  3. the magnetic field is canceled;
  4. the direction of the magnetic field is reversed;
  5. the coil is rotated 90 ∘ around the axis parallel to the magnetic field;
  6. the coil is rotated 90 ∘ around the axis perpendicular to the magnetic field.

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