physics

posted by .

A flux density of 1.2testa is produced in piece of castle by a magnetic force 1250a/m. Find the relative permability of the steel under these conditions.
B. Determine the magnetic flux strenght and magnetic force required to produce a flux density of 0.25testa in an air gap of lenght
12mm.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Physics

    How the force on a current-carrying conductor can be used to measure the flux density of a magnetic field using a current balance?
  2. Physic please check

    A house has a floor area of 119 m2 and an outside wall that has an area of 32 m2. The earth's magnetic field here has a horizontal component of 2.1 x 10^-5 T that points due north and a vertical component of 5.0 x 10^-5 T that points …
  3. physics

    A beam of electrons enters a pair of croseed electric and magnetic fields in which the electric field strenght of 3.0*104 V m^-1 and magnetic flux density of 1*10^-2 T. If the beam is not deflected from its path by the fields, what …
  4. physics

    A coil of N turns is wrapped around an iron ring of radius ‘d’ and cross-section ‘A’ (d > > A). Assuming a constant permeability, mu > > 1 for the iron. Find the following : (i) the magnetic flux as a function of …
  5. physics

    A coil of N turns is wrapped around an iron ring of radius ‘d’ and cross-section ‘A’ (d > > A). Assuming a constant permeability, mu > > 1 for the iron. Find the following : (i) the magnetic flux as a function of …
  6. physics

    (i) the magnetic flux as a function of the current ‘i’, and (ii) the magnetic flux if a gap of width delta^2 < < A) is cut in the ring
  7. physics

    Two flat surfaces are exposed to a uniform, horizontal magnetic field of magnitude 0.50 T. When viewed edge-on, the first surface is tilted at an angle of 11° from the horizontal, and a net magnetic flux of 8.20 10-3 Wb passes through …
  8. College Physics

    Find the magnitude of the magnetic flux through the floor of a house that measures 21m by 13m . Assume that the Earth's magnetic field at the location of the house has a horizontal component of 2.4×10−5 T pointing north, and …
  9. electromagnetic just put the rule

    In a certain material for which µ = 6.5 o  , H = 10ax + 25ay - 40az A/m Find (a) The magnetic susceptibility xm of the material (b) The magnetic flux density (c) The magnetization, (d) The magnetic energy density I just want …
  10. physics

    A conductor of length 2m carries a current of magnetic field of magnetic flux density 0.5T. The maximum force acting on it is ?

More Similar Questions