Moving Charges and Magnetism

Related Questions

• Two parallel beams of electrons moving in the same direction produce a mutual force

  ---

• An electric current passes through a long straight wire. At a distance 5 cm from the wire, The magnetic field is B. The field at 20 cm from the wire would be

  ---

• If the direction of the initial velocity of the charged particle is neither along nor perpendicular to that of the magnetic field, then the orbit will be

  ---

• A rectangular coil $20\,cm \times 20\,cm$ has 100 turns and carries a current of 1 A. It is placed in a uniform magnetic field B =0.5 T with the direction of magnetic field parallel to the plane of the coil. The magnitude of the torque required to hold this coil in this position is

  ---

• If a current is passed in a spring, it

  ---