Electromagnetic Field Theory An insulated metal sphere of 20 cm diameter is charged by rubbing with charges 2 × 10-8 C. Potential developed will be 0 V. 1800 V. 200 V. 900 V. 0 V. 1800 V. 200 V. 900 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is inversely proportional to the square of the distance between them. inversely proportional to the distance between them. directly proportional to the square of the distance between them. directly proportional to the distance between them. inversely proportional to the square of the distance between them. inversely proportional to the distance between them. directly proportional to the square of the distance between them. directly proportional to the distance between them. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In microwave communication links, when fading due to rain attenuation occurs then technique adopted for solving the problem would include Path diversity and frequency diversity Antenna replacement and feed correction Amplitude timing and phase correction Polarization shifting and code diversity Path diversity and frequency diversity Antenna replacement and feed correction Amplitude timing and phase correction Polarization shifting and code diversity ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency range for satellite communication is 300 to 3000 kHz 30000 to 300000 MHz 3 to 30 kHz 3000 to 30000 MHz 300 to 3000 kHz 30000 to 300000 MHz 3 to 30 kHz 3000 to 30000 MHz ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which is the major factor for determining whether a medium is free space, lossless dielectric or a good conductor Constitutive parameters. Reflector coefficient. Loss tangent. Attenuation constant. Constitutive parameters. Reflector coefficient. Loss tangent. Attenuation constant. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Mutual inductance between two magnetically coupled coils depends on cross sectional area of their common core. permeability of core. the number of their turns. all of above. cross sectional area of their common core. permeability of core. the number of their turns. all of above. ANSWER DOWNLOAD EXAMIANS APP