Electromagnetic Field Theory A wire 1 m long carries a current of 5A and is at an angle of 30o with B = 1.5 wb/m2. Magnitude of force is 3.75 N. 2 N. 5 N. 2.5 N. 3.75 N. 2 N. 5 N. 2.5 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above question no. 9, the average force on the core to reduce the air gap will be 6664.8 N. 1666.22 N. 832.29 N. 3332.47 N. 6664.8 N. 1666.22 N. 832.29 N. 3332.47 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic flux density emerging out of a closed surface is infinite. depends on magnetic movements inside the closed surface. zero. depends on magnetic movements outside the closed surface infinite. depends on magnetic movements inside the closed surface. zero. depends on magnetic movements outside the closed surface ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of Hertzian dipole in the plane perpendicular to dipole is a Null None of these Figure of eight Circle Null None of these Figure of eight Circle ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is – 2 ux. 0. 2 ux. – uy. – 2 ux. 0. 2 ux. – uy. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor when connected across 220 V, 50 Hz supply consumes 100 W. From the above statement it can be concluded that the inductor has ferrite core. the inductor is non linear. the above statement is false. the inductor is made of thin wire. the inductor has ferrite core. the inductor is non linear. the above statement is false. the inductor is made of thin wire. ANSWER DOWNLOAD EXAMIANS APP