Electromagnetic Field Theory The electric flux is given D = (2y2 + z) Ix + 4xy Iy + x Iz C/m2. The volume charge density at point (-1, 0, 3) is - 4 C/m3. - 2 C/m3. 0 C/m3. - 8 C/m3. - 4 C/m3. - 2 C/m3. 0 C/m3. - 8 C/m3. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic circuit requires 800 AT to produce a certain quantity of flux in a magnetic circuit. If its excitation coil has 100 turns and 5 Ohm resistance, the voltage to be applied in exciting coil is 40 V. 8 V. 80 V. 60 V. 40 V. 8 V. 80 V. 60 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will decrease. increase. initially increase and then decrease. remain the same. decrease. increase. initially increase and then decrease. remain the same. 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 50 W. 25 W. 20 W. 15 W. 50 W. 25 W. 20 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 + 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. 12 Ix - 8 Iy V/m. 12 Ix - 8 Iy - Iz V/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of loop antenna is Cardoid or Limacon Circle Elliptical Semicircle Cardoid or Limacon Circle Elliptical Semicircle ANSWER DOWNLOAD EXAMIANS APP
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