Electromagnetic Field Theory A conductor of length 1 metre moves at right angles to magnetic field of flux density 1 Wb/m2 with a velocity of 25 m/s. The induced emf in the conductor will be 100 V. 50 V. 25 V. 75 V. 100 V. 50 V. 25 V. 75 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is 50 W. 25 W. 20 W. 15 W. 50 W. 25 W. 20 W. 15 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a conductor moves in the field, so that it makes an angle 8 with the lines of flux, the force F is given as : F = Bl sin2 0. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Unit of electric flux density is coulomb / meter2. coulomb. weber / meter2. farad / meter. coulomb / meter2. coulomb. weber / meter2. farad / meter. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is directly proportional to the square of the distance between them. inversely proportional to the distance between them. directly proportional to the distance between them. inversely proportional to the square of the distance between them. directly proportional to the square of the distance between them. inversely proportional to the distance between them. directly proportional to the distance between them. inversely proportional to the square of the distance between them. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In H-plane metal plate lens the travelling wave front is Totally retarded Neither accelerated nor retarded Retarded Accelerated Totally retarded Neither accelerated nor retarded Retarded Accelerated ANSWER DOWNLOAD EXAMIANS APP