Electromagnetic Field Theory The force on a charge moving with velocity v under the influence of electric and magnetic fields is given by which one of the following q(E + B × V). q(E +V × H). q(E + V × B). q(H + V × E). q(E + B × V). q(E +V × H). q(E + V × B). q(H + V × E). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of a parabola antenna is None of these Highly directional A figure of directional Omnidirectional None of these Highly directional A figure of directional Omnidirectional ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main disadvantage of the two-hole directional coupler is High standing wave ratio Poor directivity Low directional coupling Narrow bandwidth High standing wave ratio Poor directivity Low directional coupling Narrow bandwidth ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following impedance inversion is obtained? Short-circuited stub A quarter wave line Balun transformer A half wave line Short-circuited stub A quarter wave line Balun transformer A half wave line ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory It is best to use for coupling a coaxial line to a parallel wire transmission line. Balun Slotted line Tee Directional Coupler Balun Slotted line Tee Directional Coupler ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as Front to back ratio None of these Loss coefficient Transmission efficiency Front to back ratio None of these Loss coefficient Transmission efficiency ANSWER DOWNLOAD EXAMIANS APP
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