Electromagnetic Field Theory A waveguide operated below cut off frequency can be used as An isolator None An attenuator Phase shifter An isolator None An attenuator Phase shifter ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric flux in coulombs emanating from any surface of a cube containing C coulombs of charge at its centre is Q / 4π. Q / 6. Q / 6ε. 4πQ / 6ε. Q / 4π. Q / 6. Q / 6ε. 4πQ / 6ε. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is constant and field is varying then emf will be induced. This principle is called dynamically induced emf. virtually induced emf. static induced emf. None of these dynamically induced emf. virtually induced emf. static induced emf. None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A pure inductor is connected across a voltage source. Find the active power drawn by the inductor? either 1 or 2 0 None of these maximum either 1 or 2 0 None of these maximum ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A point charge in space is attracted towards a dielectric material because of the phenomenon of dielectric polarisation. all of above. dielectric hysteresis. maximisation of electrostatic flux. phenomenon of dielectric polarisation. all of above. dielectric hysteresis. maximisation of electrostatic flux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of the induced emf in a conductor depends upon on the flux density of the magnetic field. amount of flux linkage. amount of flux cut. rate of change of flux linkage. flux density of the magnetic field. amount of flux linkage. amount of flux cut. rate of change of flux linkage. ANSWER DOWNLOAD EXAMIANS APP
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