Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have both a and b. low permeability. low hysteresis loss. high permeability. both a and b. low permeability. low hysteresis loss. high permeability. 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? Joule heating does not occur in each of the coils. Equal joule heating occurs in both coils. An emf is induced in both coils. An emf is induced in split coil. Joule heating does not occur in each of the coils. Equal joule heating occurs in both coils. An emf is induced in both coils. An emf is induced in split coil. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric dipole of moment P is placed in front of a ground sphere. The change induced on the surface of the sphere is (Assume radius of sphere = R and distance from dipole to centre of sphere = d) PR/d. PR/d2. PR 2/d3. Zero. PR/d. PR/d2. PR 2/d3. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The divergence of a vector is a scalar, while the curl of a vector is another None of these Unit vector Scalar Vector None of these Unit vector Scalar Vector ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is multiband HF receiving antenna? Conical horn Log-periodic Folded dipole Square loop Conical horn Log-periodic Folded dipole Square loop ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main purpose of choke is none of above. to block low frequencies. to pass high frequencies. to pass low frequencies. none of above. to block low frequencies. to pass high frequencies. to pass low frequencies. ANSWER DOWNLOAD EXAMIANS APP
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