Electromagnetic Field Theory A medium is said to be isotropic when ∈ is a scalar constant. ∈ = μσ. ∈ is zero. ∈ = μ. ∈ is a scalar constant. ∈ = μσ. ∈ is zero. ∈ = μ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force experienced by a current carrying conductor lying parallel to a magnetic field is Bil sinθ. zero. BIL. Bil cosθ. Bil sinθ. zero. BIL. Bil cosθ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory In an iron core coil the iron core is removed so that the coil becomes an air core coil. The inductance of the coil will decrease. initially increase and then decrease. increase. remain the same. decrease. initially increase and then decrease. increase. remain the same. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A metal sphere with 1 m radius and a surface charge density of 10 coulombs/m2 is enclosed in a cube of 10 m side. The total outward electric displacement normal to the surface of the cube is None of above. 5 C. 40π C. 10 C. None of above. 5 C. 40π C. 10 C. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory An emf of 16 volts is induced in a coil of inductance 4 H. The rate of change of current must be 16 A / s. 64 A / s. 4 A / s. 32 A / s. 16 A / s. 64 A / s. 4 A / s. 32 A / s. 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. larger sphere will have greater potential. both of sphere will have same potential. smaller sphere will have zero potential. larger sphere will have smalled potential. larger sphere will have greater potential. both of sphere will have same potential. smaller sphere will have zero potential. ANSWER DOWNLOAD EXAMIANS APP
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