Electromagnetic Field Theory Self inductance of magnetic coil is proportional to N2. 1 / N. N. 1 / N2. N2. 1 / N. N. 1 / N2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field at any point on the axis of current carrying circular coil will be perpendicular to axis. zero. parallel to axis. at an angle 45o with the axis. perpendicular to axis. zero. parallel to axis. at an angle 45o with the axis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An infinite sheet has a charge density of 150 μ C/m. The flux density in μ C/m 2 is 50. 100. 1/75. 75. 50. 100. 1/75. 75. 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. 2 ux. – uy. 0. – 2 ux. 2 ux. – uy. 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Midway between two equal and similar charges, a third equal and similar charge is placed, then this third charge will be in unstable equilibrium. will move out of the field of influence of two charges. not be equilibrium. remain in stable equilibrium. be in unstable equilibrium. will move out of the field of influence of two charges. not be equilibrium. remain in stable equilibrium. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it? Zero. Depends on strength of current element. Unity. Infinity. Zero. Depends on strength of current element. Unity. Infinity. ANSWER DOWNLOAD EXAMIANS APP
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