Electromagnetic Field Theory Ohm’s law in point from field theory can be expressed as J = σE. R = ρ × ( l / A). V = IR. J = E / σ. J = σE. R = ρ × ( l / A). V = IR. J = E / σ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is the unit of inductance? Ohm. Milli- henry. Ampere turns. Webers / m. Ohm. Milli- henry. Ampere turns. Webers / m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In microwave communication links, when fading due to rain attenuation occurs then technique adopted for solving the problem would include Antenna replacement and feed correction Path diversity and frequency diversity Polarization shifting and code diversity Amplitude timing and phase correction Antenna replacement and feed correction Path diversity and frequency diversity Polarization shifting and code diversity Amplitude timing and phase correction ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Top loading of antenna Providing insulation on conductor Any of the above Use of larger section of conductor Top loading of antenna Providing insulation on conductor Any of the above Use of larger section of conductor 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 40 V. 8 V. 80 V. 60 V. 40 V. 8 V. 80 V. 60 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If an electric current carrying coil is placed in a uniform magnetic field in the direction of magnetic induction, then the net force and torque are both finite. the net force is finite but torque is zero. the net force is zero but torque is finite. the net force and torque on the coil are both zero. the net force and torque are both finite. the net force is finite but torque is zero. the net force is zero but torque is finite. the net force and torque on the coil are both zero. ANSWER DOWNLOAD EXAMIANS APP
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