Electromagnetic Field Theory Which of the following represents ohms law I = GV V = RI J = σE All of these I = GV V = RI J = σE All of these ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic material has a total flux B of 80 micro Wb with an mmf of 160 AT. The reluctance in ampere turn per weber is 2 × 106. 2 × 10-6. 2 × 10-8. 2 × 108. 2 × 106. 2 × 10-6. 2 × 10-8. 2 × 108. ANSWER DOWNLOAD EXAMIANS APP
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 - 2 C/m3. - 4 C/m3. - 8 C/m3. 0 C/m3. - 2 C/m3. - 4 C/m3. - 8 C/m3. 0 C/m3. ANSWER DOWNLOAD EXAMIANS APP
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 3.768 μH. 1.1304 μH. 37.68 μH. 113.04 μH. 3.768 μH. 1.1304 μH. 37.68 μH. 113.04 μH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length 1 metre moves at right angles to magnetic field of flux density 1 Wb/m2 with a velocity of 25 m/s. The induced emf in the conductor will be 100 V. 50 V. 75 V. 25 V. 100 V. 50 V. 75 V. 25 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The skip distance is the maximum distance upto which ionospheric reflection is possible. False True False True ANSWER DOWNLOAD EXAMIANS APP
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