Electromagnetic Field Theory The force on a charge moving with velocity v under the influence of electric and magnetic fields is given by which one of the following q(E + B × V). q(H + V × E). q(E + V × B). q(E +V × H). q(E + B × V). q(H + V × E). q(E + V × B). q(E +V × H). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its short time rating. overload capacity. rating. cooling. short time rating. overload capacity. rating. cooling. 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
Electromagnetic Field Theory Two identical circular coils, one closed and another is little split (not enclosed) are placed in an uniform magnetic field which decrease at a constant rate. If the plane to the coils are perpendicular to the field which of the following statements is true? An emf is induced in both coils. Joule heating does not occur in each of the coils. An emf is induced in split coil. Equal joule heating occurs in both coils. An emf is induced in both coils. Joule heating does not occur in each of the coils. An emf is induced in split coil. Equal joule heating occurs in both coils. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force experienced by a current carrying conductor lying parallel to a magnetic field is BIL. Bil cosθ. zero. Bil sinθ. BIL. Bil cosθ. zero. Bil sinθ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The wave in wave guide has Larger frequency than in the free space Group velocity inversely proportional to wavelength Diminishing wavelength than in the free space Larger wavelength than in the free space Larger frequency than in the free space Group velocity inversely proportional to wavelength Diminishing wavelength than in the free space Larger wavelength than in the free space ANSWER DOWNLOAD EXAMIANS APP