Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have low permeability. low hysteresis loss. high permeability. both a and b. low permeability. low hysteresis loss. high permeability. both a and b. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The work done by a force F = 4un - 3uy + 2uz N in giving a 1nC charge a displacement of (10 ux + 2uy - 7uz) m is 20 nj. 60 nj. 40 nj. 100 nj. 20 nj. 60 nj. 40 nj. 100 nj. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For an inductor, current is proportional to magnetic field. voltage across the inductor. both (A) and (B). none of them. magnetic field. voltage across the inductor. both (A) and (B). none of them. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Poyniting vector has the dimensions Watts/metre2. Watt × metre2. Watt/metre. Watt × metre. Watts/metre2. Watt × metre2. Watt/metre. Watt × metre. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of the following is multiband HF receiving antenna? Conical horn Folded dipole Log-periodic Square loop Conical horn Folded dipole Log-periodic Square loop ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The Kirchhoff’s current law is implict in expression Divergence of B = 0. Surface integral of (j.ds) = 0. Curl of H = J + (δ D)/(δ t). Divergence of D = ρv. Divergence of B = 0. Surface integral of (j.ds) = 0. Curl of H = J + (δ D)/(δ t). Divergence of D = ρv. ANSWER DOWNLOAD EXAMIANS APP