Electromagnetic Field Theory An infinite sheet has a charge density of 150 μ C/m. The flux density in μ C/m 2 is 75. 50. 1/75. 100. 75. 50. 1/75. 100. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When the phase velocity of an EM wave depends on frequency in any medium the phenomenon is called Absorption Polarisation Dispersion Scattering Absorption Polarisation Dispersion Scattering ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic circuit with cross sectional area of 20 cm2 is to be operated at 50 Hz from 120 Vrms supply. The number of turns required to active a peak magnetic flux density of 1.8 T in the core flux is 300. 450. 600. 150. 300. 450. 600. 150. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field intensity (E) at ant point in an electric field is equal to potential gradient. (potential gradient)1/2. (potential gradient)1/3. (potential gradient)2. potential gradient. (potential gradient)1/2. (potential gradient)1/3. (potential gradient)2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is static and the field is varying then emf will be induced. This principle is called none of these virtually induced emf. static induced emf. dynamically induced emf. none of these virtually induced emf. static induced emf. dynamically induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Parabolic and lens antenna used at High frequency Low frequency Microwave frequency Medium frequency High frequency Low frequency Microwave frequency Medium frequency ANSWER DOWNLOAD EXAMIANS APP