Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have low hysteresis loss. high permeability. low permeability. both a and b. low hysteresis loss. high permeability. low permeability. both a and b. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Biot-Savarts law states the relation between magnetic intensity and filament current only. (A), (B), and (D) are all correct. surface current only. volume current only. filament current only. (A), (B), and (D) are all correct. surface current only. volume current only. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force experienced by a current carrying conductor lying parallel to a magnetic field is Bil sinθ. zero. Bil cosθ. BIL. Bil sinθ. zero. Bil cosθ. BIL. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A voltage waveform V(t) = 12t2 is applied across a 1H inductor for t = 0, with initial current through it being zero. The current through the inductor for t = 0 is given by 24t. 12t. 12t3. 4t3. 24t. 12t. 12t3. 4t3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above problem, if the inductance L1 and L2 in series aiding with 30 mH mutual inductance, then total inductance will be 100 mH. 150 mH. 200 mH. 50 mH. 100 mH. 150 mH. 200 mH. 50 mH. 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 8.4 mm. 2.4 mm. 10 mm. 4 mm. 8.4 mm. 2.4 mm. 10 mm. 4 mm. ANSWER DOWNLOAD EXAMIANS APP