Electromagnetic Field Theory Conductor is static and the field is varying then emf will be induced. This principle is called dynamically induced emf. virtually induced emf. none of these static induced emf. dynamically induced emf. virtually induced emf. none of these static induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In case of surface waves the field strength at a point is directly proportional to Antenna height Distance of the point from the antenna Current of the antenna Wave frequency Antenna height Distance of the point from the antenna Current of the antenna Wave frequency ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The inductance of a long solenoid of length 1000 mm wound uniformly with 3000 turns on a cylindrical paper cable of 60 mm diameter is 32 mH. 3.2 mH. 3.2 µH. 3.2 H. 32 mH. 3.2 mH. 3.2 µH. 3.2 H. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The Kirchhoff’s current law is implict in expression Curl of H = J + (δ D)/(δ t). Surface integral of (j.ds) = 0. Divergence of B = 0. Divergence of D = ρv. Curl of H = J + (δ D)/(δ t). Surface integral of (j.ds) = 0. Divergence of B = 0. Divergence of D = ρv. 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 both of sphere will have same potential. smaller sphere will have zero potential. larger sphere will have greater potential. larger sphere will have smalled potential. both of sphere will have same potential. smaller sphere will have zero potential. larger sphere will have greater potential. larger sphere will have smalled potential. 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 × 10-8. 2 × 106. 2 × 108. 2 × 10-6. 2 × 10-8. 2 × 106. 2 × 108. 2 × 10-6. ANSWER DOWNLOAD EXAMIANS APP
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