Electromagnetic Field Theory Find the strength of the magnetic field when a 2m long conductor is moving with a velocity 4m/s inducing an emf of 20V. 10T. 2.5T. 5T. 0.5T. 10T. 2.5T. 5T. 0.5T. ANSWER DOWNLOAD EXAMIANS APP
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 In an inductor current cannot change abruptly. Comment on the statement. False. True partially. Cannot comment. True. False. True partially. Cannot comment. True. 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 upper surface of the conductor. The lower surface of the conductor. The ground surface. Midway between the conductor and ground. The upper surface of the conductor. The lower surface of the conductor. The ground surface. Midway between the conductor and ground. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coils have inductances L1 = 1200 mH and L2 = 800 mH. They are connected in such a way that flux in the two coils aid each other and inductance is measured to be 2500 mH, then Mutual inductance between the coils is ___________ mH. 250. 150. 225. 145. 250. 150. 225. 145. 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. all of above. the number of their turns. cross sectional area of their common core. permeability of core. all of above. the number of their turns. ANSWER DOWNLOAD EXAMIANS APP
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