Electromagnetic Field Theory A wire 1 m long carries a current of 5A and is at an angle of 30o with B = 1.5 wb/m2. Magnitude of force is 5 N. 3.75 N. 2.5 N. 2 N. 5 N. 3.75 N. 2.5 N. 2 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Skin depth is proportional to Permeability. √(σ). 1/√σ. Frequency. Permeability. √(σ). 1/√σ. Frequency. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A copper disc is rotated rapidly below a freely suspended magnetic needle. The magnetic needle starts rotating with velocity 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 same direction. equal to that of disc and in the opposite 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 same direction. equal to that of disc and in the opposite direction. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length L has current I passing through it, when it is placed parallel to strong magnetic field. The force experienced by the conductor will be BI2L. BIL. BL2I. zero. BI2L. BIL. BL2I. zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The potential that appears at a point in space due to the current which caused it is called potential Lagging the current Accelerating Retardation Oscillating Lagging the current Accelerating Retardation Oscillating ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 3 db 2.15 db 6 db 4.15 db 3 db 2.15 db 6 db 4.15 db ANSWER DOWNLOAD EXAMIANS APP
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