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 current of 3 A will be 113.04 mH. 113.04 µH. 37.68 mH. 37.68 µH. 113.04 mH. 113.04 µH. 37.68 mH. 37.68 µH. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Conductor is constant and field is varying then emf will be induced. This principle is called None of these static induced emf. dynamically induced emf. virtually induced emf. None of these static induced emf. dynamically induced emf. virtually induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Materials subjected to rapid reversals of magnetism should have low permeability. high permeability. low hysteresis loss. both a and b. low permeability. high permeability. low hysteresis loss. both a and b. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find H for centre of solenoid having finite length d = 1 unit where N = no of turns = 500, I = 2 A. 500. 100. 1000. None of these. 500. 100. 1000. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Which of this statement is not characteristic of a static magnetic field it has no sink or sources. it is conservative. it is solenoidal. magnetic flux lines are always closed. it has no sink or sources. it is conservative. it is solenoidal. magnetic flux lines are always closed. 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. - 8 C/m3. 0 C/m3. - 4 C/m3. - 2 C/m3. - 8 C/m3. 0 C/m3. - 4 C/m3. ANSWER DOWNLOAD EXAMIANS APP