Electromagnetic Field Theory Ohm’s law in point from field theory can be expressed as J = E / σ. R = ρ × ( l / A). V = IR. J = σE. J = E / σ. R = ρ × ( l / A). V = IR. J = σE. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ . Refraction Transmission None of these Reflection Refraction Transmission None of these Reflection ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A waveguide operated below cut off frequency can be used as An attenuator None Phase shifter An isolator An attenuator None Phase shifter An isolator ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If the resistance of a conductor does not vary in accordance with the Ohms law it is known as reverse conductor. bad conductor. non - linear conductor. non - conductor. reverse conductor. bad conductor. non - linear conductor. non - conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the unit of magnetic charge Ampere-meter square. Ampere meter. Ampere. Coulomb. Ampere-meter square. Ampere meter. Ampere. Coulomb. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If n is the polarization vector and k is the direction of propagation plane electromagnetic wave, then n. k = 0. n × k = 0. n = K. n = - k. n. k = 0. n × k = 0. n = K. n = - k. ANSWER DOWNLOAD EXAMIANS APP
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