Electromagnetic Field Theory Two straight parallel conductors carry equal currents in opposite direction. The force between them is none of above. repulsive. zero. attractive. none of above. repulsive. zero. attractive. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two coupled coils with L1 = L2 = 0.6 H have a coupling coefficient of K = 0.8. The turns ratio N1/N2 is 4. 1. 0.5. 2. 4. 1. 0.5. 2. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A charge which when placed in vacuum from an equal and similar charge repels with a force of 9 × 103 N, is known as milli - coulomb. micro - coulomb. coulomb. pico - coulomb. milli - coulomb. micro - coulomb. coulomb. pico - coulomb. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a current carrying conductor is brought into magnetic field, the force that moves the conductor depends upon The direction of the conductor None of these The weight of the conductor The value of current The direction of the conductor None of these The weight of the conductor The value of current 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. 25 W. 50 W. 15 W. 20 W. 25 W. 50 W. 15 W. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A potential field is given by V = 3x2 y – yz. The electric field at P(2, -1, 4) is 12 Ix - 8 Iy V/m. 12 Ix - 8 Iy - Iz V/m. 12 Ix + 8 Iy + Iz V/m. 12 Ix - Iz V/m. 12 Ix - 8 Iy V/m. 12 Ix - 8 Iy - Iz V/m. 12 Ix + 8 Iy + Iz V/m. 12 Ix - Iz V/m. ANSWER DOWNLOAD EXAMIANS APP