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 inductance of the coil corresponding to a magnetizing current of 6 A will be 37.68 μH. 1.1304 μH. 3.768 μH. 113.04 μH. 37.68 μH. 1.1304 μH. 3.768 μH. 113.04 μH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Tropospheric scatter is used with frequencies in the HF UHF VLF VHF HF UHF VLF VHF 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 - Iz V/m. 12 Ix - 8 Iy V/m. 12 Ix + 8 Iy + Iz V/m. 12 Ix - Iz V/m. 12 Ix - 8 Iy - Iz V/m. 12 Ix - 8 Iy V/m. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The main purpose of choke is to pass low frequencies. to pass high frequencies. none of above. to block low frequencies. to pass low frequencies. to pass high frequencies. none of above. to block low frequencies. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Very low Zero Infinite Very high Very low Zero Infinite Very high ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A fan blade of length 2R rotates in a time period T in a magnetic field B. The induced voltage in the blade is proportional to RBT. 2RBT. R2BT. R2B / T. RBT. 2RBT. R2BT. R2B / T. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS