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 Transmission Reflection Refraction None of these Transmission Reflection ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length 100 cm moves at right angles to a magnetic field of flux density 1.5 Wb/m2 with a velocity of 50 m/s. The induced emf in the conductor will be 50 V. 75 V. 150 V. 37.5 V. 50 V. 75 V. 150 V. 37.5 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coupled coils with L1 = L2 = 0.6 H have a coupling coefficient of K = 0.8. The turns ratio N1/N2 is 4. 2. 0.5. 1. 4. 2. 0.5. 1. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory MUF is highest in periods of greatest sunspot activity. True False True False ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The lagging of flux density behind the applied magnetising force is known as hysteresis. All of these flux. permeance. hysteresis. All of these flux. permeance. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Parabolic and lens antenna used at Medium frequency Low frequency Microwave frequency High frequency Medium frequency Low frequency Microwave frequency High frequency ANSWER DOWNLOAD EXAMIANS APP