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 +V × H). q(E + B × V). q(H + V × E). q(E + V × B). q(E +V × H). q(E + B × V). q(H + V × E). q(E + V × B). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Unit of electric flux density is coulomb / meter2. coulomb. farad / meter. weber / meter2. coulomb / meter2. coulomb. farad / meter. weber / meter2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Providing insulation on conductor Use of larger section of conductor Any of the above Top loading of antenna Providing insulation on conductor Use of larger section of conductor Any of the above Top loading of antenna ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Fleming's right hand rule may be applied to an electric generator to find out the direction of induced emf. None of these rotor rotation. magnetic field. induced emf. None of these rotor rotation. magnetic field. ANSWER DOWNLOAD EXAMIANS APP
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 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. – z direction. y direction. z direction. – y direction. – z direction. y direction. z direction. ANSWER DOWNLOAD EXAMIANS APP
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