Electromagnetic Field Theory RF inductor are characterized by high current rating and low resistance. low current rating and high resistance. low current rating and low resistance. high current rating and high resistance. high current rating and low resistance. low current rating and high resistance. low current rating and low resistance. high current rating and high resistance. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The effective reactance of an inductive coil decreases because of stray capacitance as the frequency increases. remains same irrespective of the frequency. increases because of stray capacitance as the frequency increases. none of these. decreases because of stray capacitance as the frequency increases. remains same irrespective of the frequency. increases because of stray capacitance as the frequency increases. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A negative point charge q = - 40 nC is moving with velocity of 6 × 106 m/s in a direction specited by unit vector uy + 0.6 uz. Find the magnitude of force vector on the moving particle by the field B = 2 ux + 3 uy + 5 uz mT and E = 2 ux - 3 uy + 5 uz KV/m 1144 μN. 144 μN. 1440 μN. 244 μN. 1144 μN. 144 μN. 1440 μN. 244 μN. 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 4 mm. 8.4 mm. 10 mm. 2.4 mm. 4 mm. 8.4 mm. 10 mm. 2.4 mm. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will remain the same. initially increase and then decrease. increase. decrease. remain the same. initially increase and then decrease. increase. decrease. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have low hysteresis loss. both a and b. low permeability. high permeability. low hysteresis loss. both a and b. low permeability. high permeability. ANSWER DOWNLOAD EXAMIANS APP