Electromagnetic Field Theory A conductor is rotating with in a magnetic field. At which of the positions do the peak voltages occur? Along the axis of the magnetic field. Anywhere. At right angles to the axis of the magnetic field. At an angle of 45° to the axis of the magnetic field. Along the axis of the magnetic field. Anywhere. At right angles to the axis of the magnetic field. At an angle of 45° to the axis of the magnetic field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The useful magnetic flux obtainable from any closed surface is None of these Constant Both A and B Unity None of these Constant Both A and B Unity ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The principle of dynamically induced emf is utilized in a transformer. thermocouple. generator. choke. transformer. thermocouple. generator. choke. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Biot-Savarts law states the relation between magnetic intensity and volume current only. filament current only. surface current only. (A), (B), and (D) are all correct. volume current only. filament current only. surface current only. (A), (B), and (D) are all correct. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as None of these Transmission efficiency Loss coefficient Front to back ratio None of these Transmission efficiency Loss coefficient Front to back ratio ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A waveguide operated below cut off frequency can be used as An attenuator None Phase shifter An isolator An attenuator None Phase shifter An isolator ANSWER DOWNLOAD EXAMIANS APP
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