Electromagnetic Field Theory The developed electromagnetic force and or torque in electromechanical energy conversion system act in a direction that tends to increase the stored energy at constant flux. to decrease the co-energy at constant mmf. to decrease the stored energy at constant flux. to decrease the stored energy at constant mmf. to increase the stored energy at constant flux. to decrease the co-energy at constant mmf. to decrease the stored energy at constant flux. to decrease the stored energy at constant mmf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of skin depth as 100 Hz in a material having μr = 1.0 and & σ = 3.60 × 107 s/m 10 mm. 8.4 mm. 4 mm. 2.4 mm. 10 mm. 8.4 mm. 4 mm. 2.4 mm. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ . Reflection Transmission Refraction None of these Reflection Transmission Refraction None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will decrease. remain the same. initially increase and then decrease. increase. decrease. remain the same. initially increase and then decrease. increase. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric dipole of moment P is placed in front of a ground sphere. The change induced on the surface of the sphere is (Assume radius of sphere = R and distance from dipole to centre of sphere = d) Zero. PR/d2. PR/d. PR 2/d3. Zero. PR/d2. PR/d. PR 2/d3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If E is the electric field intensity, then what is the value of divergence of (curl of E)? Zero. | E |. E. Null vector. Zero. | E |. E. Null vector. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS