Electromagnetic Field Theory The Kirchhoff’s current law is implict in expression 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. Divergence of B = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In a dielectric material an applied field in x direction Ex = 5 v/m gives a polarization of px = 3/10π ux nc/m2. The susceptibility of the material is 4.32. 2.16. Infinity. Zero. 4.32. 2.16. Infinity. Zero. 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 µH. 32 mH. 3.2 mH. 3.2 H. 3.2 µH. 32 mH. 3.2 mH. 3.2 H. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of radius with a uniform charge density ρv C/m3 shall have electric flux density at radius “r = a” equal to ρv/3 C/m2. aρv/3 C/m2. aρv/4 C/m2. aρv C/m2. ρv/3 C/m2. aρv/3 C/m2. aρv/4 C/m2. aρv C/m2. ANSWER DOWNLOAD EXAMIANS APP
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 A conductor of length 1 metre moves at right angles to magnetic field of flux density 1 Wb/m2 with a velocity of 25 m/s. The induced emf in the conductor will be 100 V. 50 V. 25 V. 75 V. 100 V. 50 V. 25 V. 75 V. ANSWER DOWNLOAD EXAMIANS APP
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