Electromagnetic Field Theory For DC voltage an inductor is virtually a depends on magnitude of voltage. open circuit. short circuit. depends on polarity. depends on magnitude of voltage. open circuit. short circuit. depends on polarity. 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) PR/d. PR 2/d3. PR/d2. Zero. PR/d. PR 2/d3. PR/d2. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the unit of magnetic charge Ampere-meter square. Ampere meter. Coulomb. Ampere. Ampere-meter square. Ampere meter. Coulomb. Ampere. 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 0.8 π V. 0.4 π V. Zero. 8 π V. 0.8 π V. 0.4 π V. Zero. 8 π V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following circuit element stores energy in electro-magnetic field? Condenser. Variable Resistor. Capacitor. Inductor. Condenser. Variable Resistor. Capacitor. Inductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 3 db 6 db 2.15 db 4.15 db 3 db 6 db 2.15 db 4.15 db ANSWER DOWNLOAD EXAMIANS APP