Electromagnetic Field Theory A circular loop has its radius increasing at a rate of 2 m/s. The loop placed perpendicular to a constant magnetic field of 0.5 wb/m2. When the radius of the loop is 4 m. the emf induced in the will be Zero. 0.4 π V. 8 π V. 0.8 π V. Zero. 0.4 π V. 8 π V. 0.8 π V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An inductor designed with 400 turns coil wound on an iron core of 16 cm2 cross sectional area and with a cut of air gap length of 1 mm. The coil is connected to a 230 V, 50 Hz supply. Neglected coil resistance, core loss, iron reluctance and leakage inductance. Find the current in the inductor. 2.28 A. 9.04 A. 18.08 A. 4.56 A. 2.28 A. 9.04 A. 18.08 A. 4.56 A. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a perfect conductor the incident and reflected wave combine to produce A stronger reflected wave None of these A stronger incident wave A standing wave which is not progressing A stronger reflected wave None of these A stronger incident wave A standing wave which is not progressing 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 4t3. 12t3. 24t. 12t. 4t3. 12t3. 24t. 12t. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Skin depth is proportional to Permeability. √(σ). Frequency. 1/√σ. Permeability. √(σ). Frequency. 1/√σ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A dipole having a moment p – 3ux - 5uy + 10uz ncm is located at p(1,2,-4) in free space. The V as Q(2,3,4) is 2.62 V. 1.26 V. 2.52 V. 1.31 V. 2.62 V. 1.26 V. 2.52 V. 1.31 V. ANSWER DOWNLOAD EXAMIANS APP
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