magnetism

Related Questions

• At a place the earth's horizontal component of magnetic field is $0.36 \times {10^{ - 4}}weber/{m^2}$. If the angle of dip at that place is $60^o$, then the vertical component of earth's field at that place in weber/m2 will be approximately

  ---

• The correct relation is (Where ${B_H} = $Horizontal component of earth's magnetic field; ${B_V}$= Vertical component of earth's magnetic field and B = Total intensity of earth's magnetic field)

  ---

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

  ---

• At a place, the magnitudes of the horizontal component and total intensity of the magnetic field of the earth are 0.3 and 0.6 Oersted respectively. The value of the angle of dip at this place will be

  ---

• Force between two identical bar magnets whose centres are rmetre apart is 4.8 N, when their axes are in the same line. If separation is increased to 2r, the force between them is reduced to

  ---