Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 6 db 2.15 db 3 db 4.15 db 6 db 2.15 db 3 db 4.15 db 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 16 A / s. 32 A / s. 64 A / s. 4 A / s. 16 A / s. 32 A / s. 64 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 and torque are both finite. the net force and torque on the coil are both zero. the net force is finite but torque is zero. the net force is zero but torque is finite. the net force and torque are both finite. the net force and torque on the coil are both zero. the net force is finite but torque is zero. the net force is zero but torque is finite. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a wave is incident from the more dense into a less dense medium at an angle equal to or exceeding the critical angle, the wave suffers total internal __________ . None of these Refraction Reflection Transmission None of these Refraction Reflection Transmission 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 0.4 π V. 8 π V. 0.8 π V. Zero. 0.4 π V. 8 π V. 0.8 π V. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A point charge in space is attracted towards a dielectric material because of the phenomenon of dielectric polarisation. maximisation of electrostatic flux. all of above. dielectric hysteresis. phenomenon of dielectric polarisation. maximisation of electrostatic flux. all of above. dielectric hysteresis. ANSWER DOWNLOAD EXAMIANS APP
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