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? 20 mH. 5 mH. 0 mH. 10 mH. 20 mH. 5 mH. 0 mH. 10 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A coil of 300 turns is wound on a non magnetic core having a mean circumference of 300 mm and a cross sectional area of 300 mm2. The inductance of the coil corresponding to a magnetizing current of 6 A will be 113.04 μH. 37.68 μH. 1.1304 μH. 3.768 μH. 113.04 μH. 37.68 μH. 1.1304 μH. 3.768 μH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a single turn coil rotates in a uniform magnetic field at a uniform speed, the induced emf will be none of these. steady. pulsating. alternating. none of these. steady. pulsating. alternating. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Tropospheric scatter propagation is not subject to any fading. True False True False ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Unit of electric flux density is coulomb / meter2. coulomb. farad / meter. weber / meter2. coulomb / meter2. coulomb. farad / meter. weber / meter2. ANSWER DOWNLOAD EXAMIANS APP
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 × 108. 2 × 106. 2 × 10-8. 2 × 10-6. 2 × 108. 2 × 106. 2 × 10-8. 2 × 10-6. ANSWER DOWNLOAD EXAMIANS APP