Electromagnetic Field Theory A long straight wire carries a current I = 10A. At what distance is the magnetic field H = 1A/m? 1.19 m. 1.29 m. 1.59 m. 1.39 m. 1.19 m. 1.29 m. 1.59 m. 1.39 m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An electric field on a place described by its potential V = 20 (r -1 + r-2) where r is the distance from the source. The field is due to A monopole. Both of A and B. A dipole. A quardra pole. A monopole. Both of A and B. A dipole. A quardra pole. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be 64 A / s. 32 A / s. 4 A / s. 16 A / s. 64 A / s. 32 A / s. 4 A / s. 16 A / s. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The hysteresis loop of a magnetic material has an area of 5 cm2 with the scale given as 1 cm = 2 AT and 1 cm = 50 mwb At 50 Hz; the total hysteresis loss is 20 W. 50 W. 15 W. 25 W. 20 W. 50 W. 15 W. 25 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Radiation intensity in a given direction is the Power radiated per unit solid angle in that direction None of these Power radiated per square metre Energy radiated per square metre Power radiated per unit solid angle in that direction None of these Power radiated per square metre Energy radiated per square metre ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory It is best to use for coupling a coaxial line to a parallel wire transmission line. Directional Coupler Tee Balun Slotted line Directional Coupler Tee Balun Slotted line ANSWER DOWNLOAD EXAMIANS APP