Electromagnetic Field Theory In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be 2. 4. 8. 1. 2. 4. 8. 1. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory As a result of reflection from a plane conducting wall, electromagnetic waves acquire an apparent velocity greater than the velocity of light in space. This is called the group velocity. phase velocity. velocity of propagation. normal velocity. group velocity. phase velocity. velocity of propagation. normal velocity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For an inductor, current is proportional to magnetic field. both (A) and (B). none of them. voltage across the inductor. magnetic field. both (A) and (B). none of them. voltage across the inductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If in a 1 mF capacitor, an instantaneous displacement current of 1 A is to be established in the spaces between its plates then it is possible by applying 106 volts. 106 Amp. 106 volts/sec. 106 Amp/sec. 106 volts. 106 Amp. 106 volts/sec. 106 Amp/sec. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its cooling. overload capacity. rating. short time rating. cooling. overload capacity. rating. short time rating. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of the induced emf in a conductor depends upon on the 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. flux density of the magnetic field. ANSWER DOWNLOAD EXAMIANS APP
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