magnetism

Related Questions

• The vertical component of the earth's magnetic field is zero at a place where the angle of dip is

  ---

• Identify the paramagnetic substance

  ---

• At two places A and B using vibration magnetometer, a magnet vibrates in a horizontal plane and its respective periodic time are 2 sec and 3 sec and at these places the earth's horizontal components are $H_A$ and $H_B$ respectively. Then the ratio between $H_A$ and $H_B$ will be

  ---

• Unit of magnetic flux density (or magnetic induction) is

  ---

• A long magnetic needle of length 2L, magnetic moment M and pole strength m units is broken into two pieces at the middle. The magnetic moment and pole strength of each piece will be

  ---