Electromagnetic Field Theory The operation of electric generators and motors depend on the intraction between magnetic field and Electric fields. Commutator. Electric current. Copper conductors. Electric fields. Commutator. Electric current. Copper conductors. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A medium is said to be isotropic when ∈ = μσ. ∈ is zero. ∈ = μ. ∈ is a scalar constant. ∈ = μσ. ∈ is zero. ∈ = μ. ∈ is a scalar constant. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length 1 metre moves at right angles to magnetic field of flux density 1 Wb/m2 with a velocity of 25 m/s. The induced emf in the conductor will be 25 V. 100 V. 50 V. 75 V. 25 V. 100 V. 50 V. 75 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Ohm’s law in point from field theory can be expressed as R = ρ × ( l / A). V = IR. J = σE. J = E / σ. R = ρ × ( l / A). V = IR. J = σE. J = E / σ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two straight parallel conductors carry equal currents in opposite direction. The force between them is none of above. zero. repulsive. attractive. none of above. zero. repulsive. attractive. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which is the major factor for determining whether a medium is free space, lossless dielectric or a good conductor Reflector coefficient. Attenuation constant. Loss tangent. Constitutive parameters. Reflector coefficient. Attenuation constant. Loss tangent. Constitutive parameters. ANSWER DOWNLOAD EXAMIANS APP
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