Electromagnetic Field Theory Two spheres of radius r1 and r2 are connected by a conducting wire. Each of the spheres has been given a charge Q. Now larger sphere will have smalled potential. smaller sphere will have zero potential. both of sphere will have same potential. larger sphere will have greater potential. larger sphere will have smalled potential. smaller sphere will have zero potential. both of sphere will have same potential. larger sphere will have greater potential. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is varying and field is fixed then emf will be induced. This principle is called both A and B. static induced emf. dynamically induced emf. None of these both A and B. static induced emf. dynamically induced emf. None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic field intensity at centre of circular coil, of diameter 1 m and carrying a current of 2 A is 8 A/m. 1 A/m. 2 A/m. 4 A/m. 8 A/m. 1 A/m. 2 A/m. 4 A/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A rectangular waveguide is a Hollow rectangular walled room carrying electromagnetic wave Tube antenna to transmit and receive electromagnetic waves Rectangular conducting wire to propagate electromagnetic waves Hollow rectangular conducting tube through which electromagnetic waves can be propagat-ed Hollow rectangular walled room carrying electromagnetic wave Tube antenna to transmit and receive electromagnetic waves Rectangular conducting wire to propagate electromagnetic waves Hollow rectangular conducting tube through which electromagnetic waves can be propagat-ed 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 20 W. 15 W. 25 W. 50 W. 20 W. 15 W. 25 W. 50 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is 2 ux. 0. – uy. – 2 ux. 2 ux. 0. – uy. – 2 ux. ANSWER DOWNLOAD EXAMIANS APP
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