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 50 V. 100 V. 25 V. 75 V. 50 V. 100 V. 25 V. 75 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic circuit requires 800 AT to produce a certain quantity of flux in a magnetic circuit. If its excitation coil has 100 turns and 5 Ohm resistance, the voltage to be applied in exciting coil is 40 V. 8 V. 80 V. 60 V. 40 V. 8 V. 80 V. 60 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A rectangular waveguide is a Rectangular conducting wire to propagate electromagnetic waves Tube antenna to transmit and receive electromagnetic waves Hollow rectangular walled room carrying electromagnetic wave Hollow rectangular conducting tube through which electromagnetic waves can be propagat-ed Rectangular conducting wire to propagate electromagnetic waves Tube antenna to transmit and receive electromagnetic waves Hollow rectangular walled room carrying electromagnetic wave Hollow rectangular conducting tube through which electromagnetic waves can be propagat-ed 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 Transmission Reflection None of these Refraction Transmission Reflection None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main disadvantage of the two-hole directional coupler is Low directional coupling Poor directivity Narrow bandwidth High standing wave ratio Low directional coupling Poor directivity Narrow bandwidth High standing wave ratio ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory As a result of reflection from a plane conducting wall, electromagnetic waves acquire an apparent velocity greater than the velocity of light in space. This is called the velocity of propagation. group velocity. phase velocity. normal velocity. velocity of propagation. group velocity. phase velocity. normal velocity. ANSWER DOWNLOAD EXAMIANS APP
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