Electromagnetic Field Theory A magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is – uy. 2 ux. – 2 ux. 0. – uy. 2 ux. – 2 ux. 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a single turn coil rotates in a uniform magnetic field at a uniform speed, the induced emf will be none of these. alternating. pulsating. steady. none of these. alternating. pulsating. steady. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The two windings of a transformer have an inductor of 2 H each. If mutual inductor between them is also 2 H, then transformer is an ideal transformer. it is a perfect transformer. turns ratio of the transformer is also two. none of these. transformer is an ideal transformer. it is a perfect transformer. turns ratio of the transformer is also two. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The drawback of Daltons atomic structure is that, it says most of the volume of an atom is empty space. none of these. unique nature of atom. the atoms can neither be created nor be destroyed. most of the volume of an atom is empty space. none of these. unique nature of atom. the atoms can neither be created nor be destroyed. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory For an inductor, current is proportional to none of them. magnetic field. voltage across the inductor. both (A) and (B). none of them. magnetic field. voltage across the inductor. both (A) and (B). ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Find the strength of the magnetic field when a 2m long conductor is moving with a velocity 4m/s inducing an emf of 20V. 10T. 0.5T. 5T. 2.5T. 10T. 0.5T. 5T. 2.5T. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS