Electromagnetic Field Theory The potential that appears at a point in space due to the current which caused it is called potential Accelerating Retardation Oscillating Lagging the current Accelerating Retardation Oscillating Lagging the current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coils are coupled in such a way that the mutual inductance between them is 20 mH. If the inductances of the coils are 40 mH and 50 mH respectively, the coefficient of coupling is 0.447. 0.01. 0.577. 0.477. 0.447. 0.01. 0.577. 0.477. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find H for centre of solenoid having finite length d = 1 unit where N = no of turns = 500, I = 2 A. 100. 500. None of these. 1000. 100. 500. None of these. 1000. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two straight parallel conductors carry equal currents in opposite direction. The force between them is repulsive. attractive. zero. none of above. repulsive. attractive. zero. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If n is the polarization vector and k is the direction of propagation plane electromagnetic wave, then n = - k. n × k = 0. n = K. n. k = 0. n = - k. n × k = 0. n = K. n. k = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length 1 metre moves at right angles to magnetic field of flux density 1 Wb/m2 with a velocity of 25 m/s. The induced emf in the conductor will be 25 V. 100 V. 50 V. 75 V. 25 V. 100 V. 50 V. 75 V. ANSWER DOWNLOAD EXAMIANS APP
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