Electromagnetic Field Theory In frec space E (z,t) = 103 sin(ωt - βz) uy v/m. What is the value of H (z,t) (103/377) sin(ωt - β z)(-uy) A/m. (103/377) cos(ωt - β z)(-ux) A/m. (103/377) sin(ωt - β z)(-ux) A/m. None of above. (103/377) sin(ωt - β z)(-uy) A/m. (103/377) cos(ωt - β z)(-ux) A/m. (103/377) sin(ωt - β z)(-ux) A/m. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A circular loop has its radius increasing at a rate of 2 m/s. The loop placed perpendicular to a constant magnetic field of 0.5 wb/m2. When the radius of the loop is 4 m. the emf induced in the will be 0.4 π V. 8 π V. 0.8 π V. Zero. 0.4 π V. 8 π V. 0.8 π V. Zero. 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. length of conductor. current flowing through the conductor. flux density. cross-sectional area of conductor. length of conductor. current flowing through the conductor. flux density. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The field at any point on the axis of a current carrying coil will be perpendicular to the axis. at angle of 45° with the axis. parallel to axis. zero. perpendicular to the axis. at angle of 45° with the axis. parallel to axis. zero. 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 10π coulombs. 40π coulombs. 80π coulombs. none of these. 10π coulombs. 40π coulombs. 80π coulombs. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of following is true for a purely inductive circuit ? Any capacitance even if present in the circuit will not be charged. Reactive power of the circuit is zero. Apparent power of the circuit is zero. Actual power of the circuit is zero. Any capacitance even if present in the circuit will not be charged. Reactive power of the circuit is zero. Apparent power of the circuit is zero. Actual power of the circuit is zero. ANSWER DOWNLOAD EXAMIANS APP
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