What will be the current passing through the ring shaped air cored coil when number of turns is 800 and ampere turns are 3200 ?

Related Mcqs:

The magnetic reluctance of a material______________?

A. decreases with increasing cross sectional area of material B. increases with increasing cross-sec-tional area of material C. does not vary with increasing cross-sectional area of material D. any of the above...

A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be______________?

A. M B. M/2 C. 2 M D. M/4...

Susceptibility is positive for______________?

A. non-magnetic substances B. diamagnetic substances C. ferromagnetic substances D. none of the above...

Reciprocal of permeability is____________?

A. reluctivity B. susceptibility C. permittivity D. conductance...

Magnetising steel is normals difficult because____________?

A. it corrodes easily B. it has high permeability C. it has high specific gravity D. it has low permeability...