Electromagnetic Field Theory In case of surface waves the field strength at a point is directly proportional to Wave frequency Distance of the point from the antenna Current of the antenna Antenna height Wave frequency Distance of the point from the antenna Current of the antenna Antenna height ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetostriction is a phenomenon of generation of electricity in ferromagnetic materials. change in physical dimensions of ferromagnetic materials during magnetism. change in permeability of ferromagnetic materials during magnetism. generation of magnetism in electrical conductors. generation of electricity in ferromagnetic materials. change in physical dimensions of ferromagnetic materials during magnetism. change in permeability of ferromagnetic materials during magnetism. generation of magnetism in electrical conductors. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic current is composed of which of the following? Both conduction and displacement current. Only conduction current. Only displacement current. None of these Both conduction and displacement current. Only conduction current. Only displacement current. None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following circuit element stores energy in electro-magnetic field? Condenser. Variable Resistor. Inductor. Capacitor. Condenser. Variable Resistor. Inductor. Capacitor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The divergence of a vector is a scalar, while the curl of a vector is another Vector Unit vector Scalar None of these Vector Unit vector Scalar None of these ANSWER DOWNLOAD EXAMIANS APP
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 100 V. 50 V. 25 V. 75 V. 100 V. 50 V. 25 V. 75 V. ANSWER DOWNLOAD EXAMIANS APP
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