Electromagnetic Field Theory Which is the major factor for determining whether a medium is free space, lossless dielectric or a good conductor Loss tangent. Reflector coefficient. Constitutive parameters. Attenuation constant. Loss tangent. Reflector coefficient. Constitutive parameters. Attenuation constant. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The work done by a force F = 4un - 3uy + 2uz N in giving a 1nC charge a displacement of (10 ux + 2uy - 7uz) m is 100 nj. 60 nj. 20 nj. 40 nj. 100 nj. 60 nj. 20 nj. 40 nj. 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. – uy. 0. 2 ux. – 2 ux. – uy. 0. 2 ux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be 64 A / s. 16 A / s. 32 A / s. 4 A / s. 64 A / s. 16 A / s. 32 A / s. 4 A / s. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If an electric current carrying coil is placed in a uniform magnetic field in the direction of magnetic induction, then the net force is zero but torque is finite. the net force and torque on the coil are both zero. the net force is finite but torque is zero. the net force and torque are both finite. the net force is zero but torque is finite. the net force and torque on the coil are both zero. the net force is finite but torque is zero. the net force and torque are both finite. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of force acting on a current carrying conductor placed in a magnetic field is independent of flux density. current flowing through the conductor. length of conductor. cross-sectional area of conductor. flux density. current flowing through the conductor. length of conductor. cross-sectional area of conductor. ANSWER DOWNLOAD EXAMIANS APP