Electromagnetic Field Theory Two straight parallel conductors carry equal currents in opposite direction. The force between them is zero. repulsive. attractive. none of above. zero. repulsive. attractive. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Plane z = 10 m carries charge 20 C/m2. The electric field intensity at the origin is – 10 uz v/m. – 360 πuz v/m. – 72 πuz v/m. – 18 πuz v/m. – 10 uz v/m. – 360 πuz v/m. – 72 πuz v/m. – 18 πuz v/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is constant and field is varying then emf will be induced. This principle is called None of these virtually induced emf. dynamically induced emf. static induced emf. None of these virtually induced emf. dynamically induced emf. static induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its rating. overload capacity. cooling. short time rating. rating. overload capacity. cooling. short time rating. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following will increase the antenna radiation efficiency? Top loading of antenna Providing insulation on conductor Use of larger section of conductor Any of the above Top loading of antenna Providing insulation on conductor Use of larger section of conductor Any of the above ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The Kirchhoff’s current law is implict in expression Curl of H = J + (δ D)/(δ t). Surface integral of (j.ds) = 0. Divergence of B = 0. Divergence of D = ρv. Curl of H = J + (δ D)/(δ t). Surface integral of (j.ds) = 0. Divergence of B = 0. Divergence of D = ρv. ANSWER DOWNLOAD EXAMIANS APP
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