Electromagnetic Field Theory Whenever the magnetic flux changes with respect to an electric conductor or a coil, an EMF is induced in the conductor is Faraday’s first law second law third law fourth law first law second law third law fourth law ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Parabolic and lens antenna used at Low frequency Medium frequency Microwave frequency High frequency Low frequency Medium frequency Microwave frequency High frequency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A long wire composed of a smooth round conductor runs above and parallel to the ground (assumed to be a large conducting plane). A high voltage exits between the conductor and the ground. The maximum electric stress occur at The ground surface. The lower surface of the conductor. The upper surface of the conductor. Midway between the conductor and ground. The ground surface. The lower surface of the conductor. The upper surface of the conductor. Midway between the conductor and ground. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric flux in coulombs emanating from any surface of a cube containing C coulombs of charge at its centre is 4πQ / 6ε. Q / 6. Q / 6ε. Q / 4π. 4πQ / 6ε. Q / 6. Q / 6ε. Q / 4π. 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 600. 150. 300. 450. 600. 150. 300. 450. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Electric field inside a hollow metallic charged sphere is increasing towards centre. decreasing towards centre. none of above. zero. increasing towards centre. decreasing towards centre. none of above. zero. ANSWER DOWNLOAD EXAMIANS APP
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