Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Providing insulation on conductor Use of larger section of conductor Any of the above Top loading of antenna Providing insulation on conductor Use of larger section of conductor Any of the above Top loading of antenna 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 MUF is highest in periods of greatest sunspot activity. False True False True ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A point pole has a strength of 4π × 10-4 weber. The force in newtons on a point pole of 4π × 1.5 × 10-4 weber placed at a distance of 10 cm from it will be 15 N. 3.75 N. 20 N. 7.5 N. 15 N. 3.75 N. 20 N. 7.5 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A point charge in space is attracted towards a dielectric material because of the all of above. dielectric hysteresis. phenomenon of dielectric polarisation. maximisation of electrostatic flux. all of above. dielectric hysteresis. phenomenon of dielectric polarisation. maximisation of electrostatic flux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its overload capacity. short time rating. cooling. rating. overload capacity. short time rating. cooling. rating. ANSWER DOWNLOAD EXAMIANS APP
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