Electromagnetic Field Theory In an impedance smith chart, a clockwise movement along a constant resistance circle gives rise to No change in the reactance value An increase in the value of reactance No change in the impedance value Decrease in the value of reactance No change in the reactance value An increase in the value of reactance No change in the impedance value Decrease in the value of reactance ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric dipole of moment P is placed in front of a ground sphere. The change induced on the surface of the sphere is (Assume radius of sphere = R and distance from dipole to centre of sphere = d) Zero. PR/d. PR/d2. PR 2/d3. Zero. PR/d. PR/d2. PR 2/d3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Parabolic and lens antenna used at Medium frequency Microwave frequency High frequency Low frequency Medium frequency Microwave frequency High frequency Low frequency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The coils having self inductance of 10 mH and 15 mH have an effective inductance of 40 mH, when connected in series aiding. What will be the equivalent inductance if we connect then in series opposing? 0 mH. 5 mH. 10 mH. 20 mH. 0 mH. 5 mH. 10 mH. 20 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The ability of charged bodies to exert force on one another is attributed to the existence of electrons. neutrons. electric field. protons. electrons. neutrons. electric field. protons. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In order to minimize loss due to hysteresis the magnetic material should have high hysteresis coefficient. high resistivity. small B-H loop area. large coercivity. high hysteresis coefficient. high resistivity. small B-H loop area. large coercivity. ANSWER DOWNLOAD EXAMIANS APP
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