Electromagnetic Field Theory A waveguide operated below cut off frequency can be used as An attenuator Phase shifter None An isolator An attenuator Phase shifter None An isolator 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/sec. 106 volts/sec. 106 Amp. 106 volts. 106 Amp/sec. 106 volts/sec. 106 Amp. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Skin depth is proportional to √(σ). 1/√σ. Permeability. Frequency. √(σ). 1/√σ. Permeability. Frequency. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Fleming's right hand rule may be applied to an electric generator to find out the direction of magnetic field. None of these induced emf. rotor rotation. magnetic field. None of these induced emf. rotor rotation. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two infinite parallel metal plates are charged with equal surface charge density of the same polarity. The electric field in the gap between the plates is same as that produced by one plate. zero. double the field produced by one plate. dependent on coordinates of field points. same as that produced by one plate. zero. double the field produced by one plate. dependent on coordinates of field points. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In H-plane metal plate lens the travelling wave front is Totally retarded Neither accelerated nor retarded Accelerated Retarded Totally retarded Neither accelerated nor retarded Accelerated Retarded ANSWER DOWNLOAD EXAMIANS APP