Electromagnetic Field Theory In above problem the induced emf will be reduced to half if the conductor moves an angle of 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. 75° to the direction of field. 30° to the direction of field. 60° to the direction of field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The principle of dynamically induced emf is utilized in a generator. thermocouple. transformer. choke. generator. thermocouple. transformer. choke. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Ohm’s law in point from field theory can be expressed as V = IR. R = ρ × ( l / A). J = σE. J = E / σ. V = IR. R = ρ × ( l / A). J = σE. J = E / σ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following statement regarding waveguides is incorrect? At waveguide can be coupled to a coaxial cable 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 Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves At waveguide can be coupled to a coaxial cable 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 Waveguides are usually air filled hollow conducting metallic tubes for transmitting UHF and microwaves ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A point pole has a strength of 4π × 10-4 weber. The force in newtons on a point pole of 4π × 1.5 × 10-4 weber placed at a distance of 10 cm from it will be 7.5 N. 15 N. 3.75 N. 20 N. 7.5 N. 15 N. 3.75 N. 20 N. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The shape of B-H curve for air gap is hyperbola. ellipse. straight line. parabola. hyperbola. ellipse. straight line. parabola. ANSWER DOWNLOAD EXAMIANS APP
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