Electromagnetic Field Theory The principle of dynamically induced emf is utilized in a transformer. generator. choke. thermocouple. transformer. generator. choke. thermocouple. 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 turns ratio of the transformer is also two. transformer is an ideal transformer. none of these. it is a perfect transformer. turns ratio of the transformer is also two. transformer is an ideal transformer. none of these. it is a perfect transformer. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The magnitude of force acting on a current carrying conductor placed in a magnetic field is independent of flux density. current flowing through the conductor. length of conductor. cross-sectional area of conductor. flux density. current flowing through the conductor. length of conductor. cross-sectional area of conductor. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Two spheres of radius r1 and r2 are connected by a conducting wire. Each of the spheres has been given a charge Q. Now larger sphere will have smalled potential. smaller sphere will have zero potential. both of sphere will have same potential. larger sphere will have greater potential. larger sphere will have smalled potential. smaller sphere will have zero potential. both of sphere will have same potential. larger sphere will have greater potential. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of all flux from the current in coil 1 links with coil 2, the coefficient of coupling will be 0.5. 2.0. 1.0. Zero. 0.5. 2.0. 1.0. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a conductor moves in the field, so that it makes an angle 8 with the lines of flux, the force F is given as : F = Bl sin2 0. No Yes No Yes ANSWER DOWNLOAD EXAMIANS APP
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