Electromagnetic Field Theory When a single turn coil rotates in a uniform magnetic field at a uniform speed, the induced emf will be none of these. alternating. steady. pulsating. none of these. alternating. steady. pulsating. 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 2/d3. PR/d. PR/d2. Zero. PR 2/d3. PR/d. PR/d2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When the phase velocity of an EM wave depends on frequency in any medium the phenomenon is called Polarisation Dispersion Scattering Absorption Polarisation Dispersion Scattering Absorption ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A square corner reflector is used in Point to point communication Radio astronomy Tv broadcast All of these Point to point communication Radio astronomy Tv broadcast All of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The developed electromagnetic force and or torque in electromechanical energy conversion system act in a direction that tends to decrease the stored energy at constant mmf. to decrease the co-energy at constant mmf. to decrease the stored energy at constant flux. to increase the stored energy at constant flux. to decrease the stored energy at constant mmf. to decrease the co-energy at constant mmf. to decrease the stored energy at constant flux. to increase the stored energy at constant flux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A Yagi antenna has a driven antenna Only With a reflector With one or more directors With a reflector and one or more directors Only With a reflector With one or more directors With a reflector and one or more directors ANSWER DOWNLOAD EXAMIANS APP