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 20 N. 7.5 N. 15 N. 3.75 N. 20 N. 7.5 N. 15 N. 3.75 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Providing insulation on conductor Any of the above Use of larger section of conductor Top loading of antenna Providing insulation on conductor Any of the above Use of larger section of conductor Top loading of antenna ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The right hand rule for determining the direction of the induced EMF was introduced by Maxwell Faraday Lenz Fleming Maxwell Faraday Lenz Fleming ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of total electric flux coming out of a closed surface? Equal to volume change density. Zero. Equal to total charge enclosed by the surface. Equal to the surface charge density. Equal to volume change density. Zero. Equal to total charge enclosed by the surface. Equal to the surface charge density. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following statement is correct for divergence of electric and magnetic flux densities? It is zero for the electric flux density. These are zero for static densities but non zero for time varying densities. Both are zero. It is zero for the magnetic flux density. It is zero for the electric flux density. These are zero for static densities but non zero for time varying densities. Both are zero. It is zero for the magnetic flux density. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric field of 1.92 × 103 N/C is maintained across two plates separated by 0.015 m. Potential difference across plates will be 28.8 V. 2.88 V. 14.40 V. 1.4 V. 28.8 V. 2.88 V. 14.40 V. 1.4 V. ANSWER DOWNLOAD EXAMIANS APP
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