Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will decrease. remain the same. increase. initially increase and then decrease. decrease. remain the same. increase. initially increase and then decrease. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The right hand rule for determining the direction of the induced EMF was introduced by Lenz Maxwell Faraday Fleming Lenz Maxwell Faraday Fleming ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a current carrying conductor is brought into magnetic field, the force that moves the conductor depends upon The value of current The direction of the conductor The weight of the conductor None of these The value of current The direction of the conductor The weight of the conductor None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In H-plane metal plate lens the travelling wave front is Accelerated Totally retarded Retarded Neither accelerated nor retarded Accelerated Totally retarded Retarded Neither accelerated nor retarded ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The virtual height of an ionospheric layer is __________ true height No relation Less than Higher than Equal to No relation Less than Higher than Equal to ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following circuit element stores energy in electro-magnetic field? Inductor. Condenser. Capacitor. Variable Resistor. Inductor. Condenser. Capacitor. Variable Resistor. ANSWER DOWNLOAD EXAMIANS APP