Electromagnetic Field Theory The critical frequency of ‘F’ layer is greater than 30 MHz. True False True False ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For DC voltage an inductor is virtually a open circuit. depends on polarity. short circuit. depends on magnitude of voltage. open circuit. depends on polarity. short circuit. depends on magnitude of voltage. 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. 100 nj. 40 nj. 20 nj. 60 nj. 100 nj. 40 nj. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper cable of 60 mm diameter is 3.2 H. 3.2 µH. 32 mH. 3.2 mH. 3.2 H. 3.2 µH. 32 mH. 3.2 mH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by ω/2π. ω. ω / π. ω/4π. ω/2π. ω. ω / π. ω/4π. 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 2/d3. PR/d2. PR/d. Zero. PR 2/d3. PR/d2. PR/d. Zero. ANSWER DOWNLOAD EXAMIANS APP
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