Electromagnetic Field Theory In case of surface waves the field strength at a point is directly proportional to Antenna height Distance of the point from the antenna Current of the antenna Wave frequency Antenna height Distance of the point from the antenna Current of the antenna Wave frequency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The static electric field in a conductor is Zero Infinity None of these Unity Zero Infinity None of these Unity ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A plane wave in a homogeneous medium has E = 50 sin(108t + 2z) uy V/m. What is the direction of wave propagation – y direction. y direction. – z direction. z direction. – y direction. y direction. – z direction. z direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The field at any point on the axis of a current carrying coil will be perpendicular to the axis. parallel to axis. at angle of 45° with the axis. zero. perpendicular to the axis. parallel to axis. at angle of 45° with the axis. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of loop antenna is Circle Semicircle Cardoid or Limacon Elliptical Circle Semicircle Cardoid or Limacon Elliptical 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 80 V. 40 V. 8 V. 60 V. 80 V. 40 V. 8 V. 60 V. ANSWER DOWNLOAD EXAMIANS APP