Electromagnetic Field Theory The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by ω/2π. ω / π. ω. ω/4π. ω/2π. ω / π. ω. ω/4π. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper cable of 60 mm diameter is 32 mH. 3.2 µH. 3.2 mH. 3.2 H. 32 mH. 3.2 µH. 3.2 mH. 3.2 H. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main disadvantage of the two-hole directional coupler is Narrow bandwidth Low directional coupling Poor directivity High standing wave ratio Narrow bandwidth Low directional coupling Poor directivity High standing wave ratio 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. 145. 250. 150. 225. 145. 250. 150. 225. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In above problem the induced emf will be reduced to half if the conductor moves an angle of 75° to the direction of field. 30° to the direction of field. 60° to the direction of field. 45° to the direction of field. 75° to the direction of field. 30° to the direction of field. 60° to the direction of field. 45° to the direction of field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnetic field at any point on the axis of current carrying circular coil will be parallel to axis. perpendicular to axis. zero. at an angle 45o with the axis. parallel to axis. perpendicular to axis. zero. at an angle 45o with the axis. ANSWER DOWNLOAD EXAMIANS APP
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