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 __________ . None of these Refraction Reflection Transmission None of these Refraction Reflection Transmission ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The lagging of flux density behind the applied magnetising force is known as hysteresis. flux. permeance. All of these hysteresis. flux. permeance. All of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have both a and b. high permeability. low hysteresis loss. low permeability. both a and b. high permeability. low hysteresis loss. low permeability. 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 12t3. 24t. 12t. 4t3. 12t3. 24t. 12t. 4t3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic field B = 5 × 10-2 uz T exerts a force on 0.02 m conductor along the x-axis. The conductor carried a current of 5 mA in the – ux direction. What force must be applied to the conductor to hold it in position 5 × 10-5 uz N. - 5 × 10-5 uy N. 5 × 10-5 ux N. 5 × 10-5 uy N. 5 × 10-5 uz N. - 5 × 10-5 uy N. 5 × 10-5 ux N. 5 × 10-5 uy N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A point pole has a strength of 4π × 10-4 weber. The force in newtons on a point pole of 4π × 1.5 × 10-4 weber placed at a distance of 10 cm from it will be 3.75 N. 7.5 N. 15 N. 20 N. 3.75 N. 7.5 N. 15 N. 20 N. ANSWER DOWNLOAD EXAMIANS APP
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