Moving Charges and Magnetism

Related Questions

• If the direction of the initial velocity of the charged particle is perpendicular to the magnetic field, then the orbit will be

  ---

• The magnetic induction at the centre of a current carrying circular of coil radius r, is

  ---

• The magnetic field at the centre of a circular coil of radius r carrying current $I$ is${B_1}$. The field at the centre of another coil of radius $2r$ carrying same current $I$ is${B_2}$. The ratio $\frac{{{B_1}}}{{{B_2}}}$ is

  ---

• A long solenoid carrying a current produces a magnetic field B along its axis. If the current is doubled and the number of turns per cm is halved, the new value of the magnetic field is

  ---

• 3 A of current is flowing in a linear conductor having a length of 40 cm. The conductor is placed in a magnetic field of strength 500 gauss and makes an angle of $30^\circ $ with the direction of the field. It experiences a force of magnitude

  ---