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. Yes No Yes No ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of Hertzian dipole in the plane perpendicular to dipole is a Figure of eight Circle None of these Null Figure of eight Circle None of these Null 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 15 W. 50 W. 20 W. 25 W. 15 W. 50 W. 20 W. 25 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is varying and field is fixed then emf will be induced. This principle is called dynamically induced emf. None of these static induced emf. both A and B. dynamically induced emf. None of these static induced emf. both A and B. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following represents ohms law J = σE I = GV V = RI All of these J = σE I = GV V = RI All of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A circular loop has its radius increasing at a rate of 2 m/s. The loop placed perpendicular to a constant magnetic field of 0.5 wb/m2. When the radius of the loop is 4 m. the emf induced in the will be Zero. 0.8 π V. 0.4 π V. 8 π V. Zero. 0.8 π V. 0.4 π V. 8 π V. ANSWER DOWNLOAD EXAMIANS APP
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