Electromagnetic Field Theory Which of the following statement regarding waveguides is incorrect? At frequencies below the cut off value the wave progresses across the waveguide after total reflections Waveguides can handle large power at UHF and microwaves At waveguide can be coupled to a coaxial cable Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves At frequencies below the cut off value the wave progresses across the waveguide after total reflections Waveguides can handle large power at UHF and microwaves At waveguide can be coupled to a coaxial cable Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory inductance (L2) in parallel without mutual coupling will be 20 mH. 15 mH. 10 mH. 5 mH. 20 mH. 15 mH. 10 mH. 5 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force required to seperate two surfaces with a contact area measuring 5 cm by 6 cm, when flux density normal to the surface is 0.8 tesla, will be 7640 N. 76.4 N. 76400 N. 764 N. 7640 N. 76.4 N. 76400 N. 764 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a current carrying conductor is brought into magnetic field, the force that moves the conductor depends upon None of these The direction of the conductor The weight of the conductor The value of current None of these The direction of the conductor The weight of the conductor The value of current ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Magnetic current is composed of which of the following? Only displacement current. Both conduction and displacement current. Only conduction current. None of these Only displacement current. Both conduction and displacement current. Only conduction current. None of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Gradient of scalar field is expressed as Outward flux of a vector field per unit volume as the volume about the point tends to zero. Gradient of divergence of a vector field minus the curl of the vector field. Circulation of a vector field per unit area as the area tends to zero. Maximum rate of increase of scalar function at a point. Outward flux of a vector field per unit volume as the volume about the point tends to zero. Gradient of divergence of a vector field minus the curl of the vector field. Circulation of a vector field per unit area as the area tends to zero. Maximum rate of increase of scalar function at a point. ANSWER DOWNLOAD EXAMIANS APP
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