Electromagnetic Field Theory An electric dipole of moment P is placed in front of a ground sphere. The change induced on the surface of the sphere is (Assume radius of sphere = R and distance from dipole to centre of sphere = d) PR/d. PR 2/d3. Zero. PR/d2. PR/d. PR 2/d3. Zero. PR/d2. 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 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 If the resistance of a conductor does not vary in accordance with the Ohms law it is known as bad conductor. reverse conductor. non - linear conductor. non - conductor. bad conductor. reverse conductor. non - linear conductor. non - conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of antenna the ratio of the power radiated in the desired direction to the power radiated in the opposite direction is known as Transmission efficiency None of these Loss coefficient Front to back ratio Transmission efficiency None of these Loss coefficient Front to back ratio 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 14.40 V. 28.8 V. 2.88 V. 1.4 V. 14.40 V. 28.8 V. 2.88 V. 1.4 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Between a hollow and solid metal sphere, charge reside on outer surface in both. on outer surface in hollow and throughout in solid. None of above. on outer surface in hollow and throughout in solid on outer surface in both. on outer surface in hollow and throughout in solid. None of above. on outer surface in hollow and throughout in solid ANSWER DOWNLOAD EXAMIANS APP
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