Electromagnetic Field Theory The force required to seperate two surfaces with a contact area measuring 5 cm by 6 cm, when flux density normal to the surface is 0.8 tesla, will be 764 N. 76400 N. 76.4 N. 7640 N. 764 N. 76400 N. 76.4 N. 7640 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A point pole has a strength of 4π × 10-4 weber. The force in newtons on a point pole of 4π × 1.5 × 10-4 weber placed at a distance of 10 cm from it will be 7.5 N. 15 N. 20 N. 3.75 N. 7.5 N. 15 N. 20 N. 3.75 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic intensity in A/m at the centre of circular coil of diameter 1m and carrying a current of 2A is 3. 4. 8. 2. 3. 4. 8. 2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetostriction is a phenomenon of generation of electricity in ferromagnetic materials. generation of magnetism in electrical conductors. change in physical dimensions of ferromagnetic materials during magnetism. change in permeability of ferromagnetic materials during magnetism. generation of electricity in ferromagnetic materials. generation of magnetism in electrical conductors. change in physical dimensions of ferromagnetic materials during magnetism. change in permeability of ferromagnetic materials during magnetism. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find H for centre of solenoid having finite length d = 1 unit where N = no of turns = 500, I = 2 A. 1000. 500. None of these. 100. 1000. 500. None of these. 100. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In free space E (z, t) = 103 sin(ωt - βz) uy v/m. What is the value of H (z, t) (103/377) cos(ωt - β z)(-ux) A/m. (103/377) sin(ωt - β z)(ux) A/m. (103/377) sin(ωt - β z)(-ux) A/m. None of above. (103/377) cos(ωt - β z)(-ux) A/m. (103/377) sin(ωt - β z)(ux) A/m. (103/377) sin(ωt - β z)(-ux) A/m. None of above. ANSWER DOWNLOAD EXAMIANS APP