Electromagnetic Field Theory A coil of 300 turns is wound on a non-magnetic core having a mean circumference of 300 mm and a cross sectional area of 300 mm2. The current of 3 A will be 37.68 mH. 113.04 µH. 113.04 mH. 37.68 µH. 37.68 mH. 113.04 µH. 113.04 mH. 37.68 µH. ANSWER DOWNLOAD EXAMIANS APP
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 Radiation intensity in a given direction is the Power radiated per unit solid angle in that direction Energy radiated per square metre None of these Power radiated per square metre Power radiated per unit solid angle in that direction Energy radiated per square metre None of these Power radiated per square metre ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For a linear electromagnetic circuit, which of the following statement is true? Field energy is equal to the co-energy. Field energy is lesser than the co-energy. Co-energy is zero. Field energy is greater than the co-energy. Field energy is equal to the co-energy. Field energy is lesser than the co-energy. Co-energy is zero. Field energy is greater than the co-energy. 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 parallel to the plane of the wire. perpendicular to the circumference of the wire. parallel to half portion and perpendicular for the other half. none of above. parallel to the plane of the wire. perpendicular to the circumference of the wire. parallel to half portion and perpendicular for the other half. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The power gain of a half-wave dipole with respect to an isotropic radiator is 4.15 db 2.15 db 6 db 3 db 4.15 db 2.15 db 6 db 3 db ANSWER DOWNLOAD EXAMIANS APP
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