Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Any of the above Providing insulation on conductor Use of larger section of conductor Top loading of antenna Any of the above Providing insulation on conductor Use of larger section of conductor Top loading of antenna ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A circular loop has its radius increasing at a rate of 2 m/s. The loop placed perpendicular to a constant magnetic field of 0.5 wb/m2. When the radius of the loop is 4 m. the emf induced in the will be Zero. 0.8 π V. 8 π V. 0.4 π V. Zero. 0.8 π V. 8 π V. 0.4 π V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to maximum power transfer theorem, the maximum power is absorbed by one network from another network when The impedance of one of the networks is half that of the other The impedance of one is equal to that of the other None of these The impedance of one is the complex conjugate of the other The impedance of one of the networks is half that of the other The impedance of one is equal to that of the other None of these The impedance of one is the complex conjugate of the other ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The Kirchhoff’s current law is implict in expression Divergence of D = ρv. Surface integral of (j.ds) = 0. Curl of H = J + (δ D)/(δ t). Divergence of B = 0. Divergence of D = ρv. Surface integral of (j.ds) = 0. Curl of H = J + (δ D)/(δ t). Divergence of B = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Radiation intensity in a given direction is the Power radiated per square metre None of these Energy radiated per square metre Power radiated per unit solid angle in that direction Power radiated per square metre None of these Energy radiated per square metre Power radiated per unit solid angle in that direction ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The tubes of force within the magnetic material are known as lines of force. magnetic flux. tubes of indication. none of them. lines of force. magnetic flux. tubes of indication. none of them. ANSWER DOWNLOAD EXAMIANS APP
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