Electromagnetic Field Theory A magnetic material has a total flux B of 80 micro Wb with an mmf of 160 AT. The reluctance in ampere turn per weber is 2 × 10-8. 2 × 10-6. 2 × 106. 2 × 108. 2 × 10-8. 2 × 10-6. 2 × 106. 2 × 108. 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 will move out of the field of influence of two charges. be in unstable equilibrium. not be equilibrium. remain in stable equilibrium. will move out of the field of influence of two charges. be in unstable equilibrium. not be equilibrium. remain in stable equilibrium. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic flux density emerging out of a closed surface is depends on magnetic movements outside the closed surface zero. infinite. depends on magnetic movements inside the closed surface. depends on magnetic movements outside the closed surface zero. infinite. depends on magnetic movements inside the closed surface. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A point charge in space is attracted towards a dielectric material because of the all of above. phenomenon of dielectric polarisation. dielectric hysteresis. maximisation of electrostatic flux. all of above. phenomenon of dielectric polarisation. dielectric hysteresis. maximisation of electrostatic flux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of a parabola antenna is Highly directional None of these A figure of directional Omnidirectional Highly directional None of these A figure of directional Omnidirectional ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The coils having self inductance of 10 mH and 15 mH have an effective inductance of 40 mH, when connected in series aiding. What will be the equivalent inductance if we connect then in series opposing? 5 mH. 0 mH. 20 mH. 10 mH. 5 mH. 0 mH. 20 mH. 10 mH. ANSWER DOWNLOAD EXAMIANS APP
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