Electromagnetic Field Theory The operation of electric generators and motors depend on the intraction between magnetic field and Electric current. Copper conductors. Commutator. Electric fields. Electric current. Copper conductors. Commutator. Electric fields. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A sphere of 20 cm radius contains electrical charge of density 2/(r sinθ) c/m3. What is the total charge contained within the sphere? 0.335/sinθ c. 0. 0.335 C. None of above. 0.335/sinθ c. 0. 0.335 C. None of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of a parabola antenna is None of these A figure of directional Highly directional Omnidirectional None of these A figure of directional Highly directional Omnidirectional ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Due to which of the following reasons a lightning conductor on top of a building is made into a pointed spike? None of these Charge per unit area becomes very high for lightening to discharge Rain drops may not collect Dust particles may not accumulate None of these Charge per unit area becomes very high for lightening to discharge Rain drops may not collect Dust particles may not accumulate ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A wire carrying current is bent in the form of a circular loop. Then the magnetic field around each portion of the wire will be none of above. perpendicular to the circumference of the wire. parallel to the plane of the wire. parallel to half portion and perpendicular for the other half. none of above. perpendicular to the circumference of the wire. parallel to the plane of the wire. parallel to half portion and perpendicular for the other half. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In frec space E (z,t) = 103 sin(ωt - βz) uy v/m. What is the value of H (z,t) None of above. (103/377) sin(ωt - β z)(-ux) A/m. (103/377) sin(ωt - β z)(-uy) A/m. (103/377) cos(ωt - β z)(-ux) A/m. None of above. (103/377) sin(ωt - β z)(-ux) A/m. (103/377) sin(ωt - β z)(-uy) A/m. (103/377) cos(ωt - β z)(-ux) A/m. ANSWER DOWNLOAD EXAMIANS APP
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