Electromagnetic Field Theory Cork Screw rule is used to find direction of emf. direction of magnetic field. direction of current. direction of electric field. direction of emf. direction of magnetic field. direction of current. direction of electric field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory As a result of reflection from a plane conducting wall, electromagnetic waves acquire an apparent velocity greater than the velocity of light in space. This is called the velocity of propagation. phase velocity. group velocity. normal velocity. velocity of propagation. phase velocity. group velocity. normal velocity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In order to minimize loss due to hysteresis the magnetic material should have small B-H loop area. high resistivity. large coercivity. high hysteresis coefficient. small B-H loop area. high resistivity. large coercivity. high hysteresis coefficient. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is static and the field is varying then emf will be induced. This principle is called none of these static induced emf. virtually induced emf. dynamically induced emf. none of these static induced emf. virtually induced emf. dynamically induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following represents ohms law J = σE V = RI All of these I = GV J = σE V = RI All of these I = GV 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. 2 ux. 0. – uy. – 2 ux. 2 ux. 0. – uy. ANSWER DOWNLOAD EXAMIANS APP
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