Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Zero Very low Infinite Very high Zero Very low Infinite Very high ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find the length of a conductor which is moving with a velocity 0.4m/s in a magnetic field of 8T, inducing an emf of 20V. 0.5m. 0.6m. 5.25m. 6.25m. 0.5m. 0.6m. 5.25m. 6.25m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of magnetic vector potential due to an infinitesimally small current element, evaluated at infinite distance from it? Zero. Infinity. Depends on strength of current element. Unity. Zero. Infinity. Depends on strength of current element. Unity. ANSWER DOWNLOAD EXAMIANS APP
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 __________ . Refraction None of these Reflection Transmission Refraction None of these Reflection Transmission ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A loop antenna is a commonly used for Radar All of these Satellite communication Direction finding Radar All of these Satellite communication Direction finding 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 100 V. 25 V. 50 V. 75 V. 100 V. 25 V. 50 V. 75 V. ANSWER DOWNLOAD EXAMIANS APP