Electromagnetic Field Theory A copper disc is rotated rapidly below a freely suspended magnetic needle. The magnetic needle starts rotating with velocity equal to that of disc and in the opposite direction. equal to that of disc and in the same direction. less than that of disc but in opposite direction. less than that of disc and in the same direction. equal to that of disc and in the opposite direction. equal to that of disc and in the same direction. less than that of disc but in opposite direction. less than that of disc and in the same direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of 20 cm radius contains electrical charge of density 2/(r sinθ) c/m3. What is the total charge contained within the sphere? 0. 0.335 C. None of above. 0.335/sinθ c. 0. 0.335 C. None of above. 0.335/sinθ c. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force experienced by a current carrying conductor lying parallel to a magnetic field is Bil cosθ. zero. Bil sinθ. BIL. Bil cosθ. zero. Bil sinθ. BIL. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory inductance (L2) in parallel without mutual coupling will be 10 mH. 20 mH. 5 mH. 15 mH. 10 mH. 20 mH. 5 mH. 15 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic current is composed of which of the following? Both conduction and displacement current. None of these Only conduction current. Only displacement current. Both conduction and displacement current. None of these Only conduction current. Only displacement current. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a lossless medium the intrinsic impedance η = 60π and μr = 1. The relative dielectric constant εr shall be 4. 2. 8. 1. 4. 2. 8. 1. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS