Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 6 db 2.15 db 4.15 db 3 db 6 db 2.15 db 4.15 db 3 db ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A circular ring is carrying uniformly distributed charge q and a point charge – Q on the axis of the ring. The magnitude of dipole moment of the charge system is (Assume distance between centre of ring and point charge is d and radius of ring R) QD. QR2/d. QR. Q√(R2 + d2). QD. QR2/d. QR. Q√(R2 + d2). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The lagging of flux density behind the applied magnetising force is known as permeance. flux. All of these hysteresis. permeance. flux. All of these hysteresis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory ________ at a point is defined as the force experienced per unit positive charge at a point placed in the electric field. Electric intensity. Electric flux. None of these Magnetic flux density. Electric intensity. Electric flux. None of these Magnetic flux density. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field at any point on the axis of current carrying circular coil will be zero. perpendicular to axis. at an angle 45o with the axis. parallel to axis. zero. perpendicular to axis. at an angle 45o with the axis. parallel to axis. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force experienced by a current carrying conductor lying parallel to a magnetic field is zero. Bil cosθ. BIL. Bil sinθ. zero. Bil cosθ. BIL. Bil sinθ. ANSWER DOWNLOAD EXAMIANS APP
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