Electromagnetic Field Theory What is the value of total electric flux coming out of a closed surface? Equal to the surface charge density. Zero. Equal to total charge enclosed by the surface. Equal to volume change density. Equal to the surface charge density. Zero. Equal to total charge enclosed by the surface. Equal to volume change density. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If the static magnetic flux density is B, then Divergence of B = 0. Curl of B = 0. Curl of B = J. Divergence of B = J. Divergence of B = 0. Curl of B = 0. Curl of B = J. Divergence of B = J. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic material has a total flux B of 80 micro Wb with an mmf of 160 AT. The reluctance in ampere turn per weber is 2 × 106. 2 × 108. 2 × 10-6. 2 × 10-8. 2 × 106. 2 × 108. 2 × 10-6. 2 × 10-8. 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. Divergence of D = ρv. Curl of H = J + (δ D)/(δ t). Divergence of B = 0. Surface integral of (j.ds) = 0. Divergence of D = ρv. Curl of H = J + (δ D)/(δ t). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Tropospheric scatter is used with frequencies in the VLF HF VHF UHF VLF HF VHF UHF ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For DC voltage an inductor is virtually a depends on magnitude of voltage. short circuit. depends on polarity. open circuit. depends on magnitude of voltage. short circuit. depends on polarity. open circuit. ANSWER DOWNLOAD EXAMIANS APP
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