Electromagnetic Field Theory The critical frequency of ‘F’ layer is greater than 30 MHz. False True False True ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field at any point on the axis of current carrying circular coil will be parallel to axis. zero. at an angle 45o with the axis. perpendicular to axis. parallel to axis. zero. at an angle 45o with the axis. perpendicular to axis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following impedance inversion is obtained? Balun transformer A half wave line Short-circuited stub A quarter wave line Balun transformer A half wave line Short-circuited stub A quarter wave line ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Whenever the magnetic flux changes with respect to an electric conductor or a coil, an EMF is induced in the conductor is Faraday’s second law first law fourth law third law second law first law fourth law third law ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The property of the coil by which a counter emf is induced in it when the current through the coil changes is known as series aiding inductance. capacitance. mutual inductance. self inductance. series aiding inductance. capacitance. mutual inductance. self inductance. 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 = 0. n = K. n × k = 0. n = - k. n. k = 0. n = K. n × k = 0. n = - k. ANSWER DOWNLOAD EXAMIANS APP
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