Electromagnetic Field Theory Ohm’s law in point from field theory can be expressed as J = σE. J = E / σ. V = IR. R = ρ × ( l / A). J = σE. J = E / σ. V = IR. R = ρ × ( l / A). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A square corner reflector is used in Radio astronomy Point to point communication Tv broadcast All of these Radio astronomy Point to point communication Tv broadcast All of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The emf induced in a conductor rotating in bipolar field is AC. none of these. DC and AC both. DC. AC. none of these. DC and AC both. DC. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which statement does not say that electrostatic field is conservative? The work done in a closed path inside the fields is zero. If is gradient of a scalar potential. If the curl of E is identically zero. The potential difference between two points is zero. The work done in a closed path inside the fields is zero. If is gradient of a scalar potential. If the curl of E is identically zero. The potential difference between two points is zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of a parabola antenna is Omnidirectional A figure of directional Highly directional None of these Omnidirectional A figure of directional Highly directional None of these 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 Polarization shifting and code diversity Amplitude timing and phase correction Path diversity and frequency diversity Antenna replacement and feed correction Polarization shifting and code diversity Amplitude timing and phase correction Path diversity and frequency diversity Antenna replacement and feed correction ANSWER DOWNLOAD EXAMIANS APP
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