Electromagnetic Field Theory When a conductor moves in the field, so that it makes an angle 8 with the lines of flux, the force F is given as : F = Bl sin2 0. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main disadvantage of the two-hole directional coupler is Low directional coupling Poor directivity High standing wave ratio Narrow bandwidth Low directional coupling Poor directivity High standing wave ratio Narrow bandwidth ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of force acting on a current carrying conductor placed in a magnetic field is independent of cross-sectional area of conductor. current flowing through the conductor. flux density. length of conductor. cross-sectional area of conductor. current flowing through the conductor. flux density. length of conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If n is the polarization vector and k is the direction of propagation plane electromagnetic wave, then n × k = 0. n = - k. n. k = 0. n = K. n × k = 0. n = - k. n. k = 0. n = K. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of skin depth as 100 Hz in a material having μr = 1.0 and & σ = 3.60 × 107 s/m 2.4 mm. 10 mm. 8.4 mm. 4 mm. 2.4 mm. 10 mm. 8.4 mm. 4 mm. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A metal surface with 1 meter radius and surface charge density of 20 coulombs / m2 is enclosed in a 10 m side cube. The total outward electric displacement normal to the surface of the cube is none of these. 80π coulombs. 40π coulombs. 10π coulombs. none of these. 80π coulombs. 40π coulombs. 10π coulombs. ANSWER DOWNLOAD EXAMIANS APP
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