Electromagnetic Field Theory A medium is said to be isotropic when ∈ is zero. ∈ is a scalar constant. ∈ = μσ. ∈ = μ. ∈ is zero. ∈ is a scalar constant. ∈ = μσ. ∈ = μ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If a and b are the dimensions of waveguide then a = 3b a = 2b a = b a = b/4 a = 3b a = 2b a = b a = b/4 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 Conductor is constant and field is varying then emf will be induced. This principle is called static induced emf. virtually induced emf. dynamically induced emf. None of these static induced emf. virtually induced emf. dynamically induced emf. None of these 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. 0.5T. 2.5T. 5T. 10T. 0.5T. 2.5T. 5T. 10T. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length 100 cm moves at right angles to a magnetic field of flux density 1.5 Wb/m2 with a velocity of 50 m/s. The induced emf in the conductor will be 150 V. 37.5 V. 75 V. 50 V. 150 V. 37.5 V. 75 V. 50 V. ANSWER DOWNLOAD EXAMIANS APP
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