Electromagnetic Field Theory The operation of electric generators and motors depend on the intraction between magnetic field and Electric current. Electric fields. Copper conductors. Commutator. Electric current. Electric fields. Copper conductors. Commutator. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory If E is the electric field intensity, then what is the value of divergence of (curl of E)? | E |. E. Zero. Null vector. | E |. E. Zero. Null vector. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A medium is said to be isotropic when ∈ = μ. ∈ is a scalar constant. ∈ = μσ. ∈ is zero. ∈ = μ. ∈ is a scalar constant. ∈ = μσ. ∈ is zero. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The attenuation in waveguide above to cut off frequency Zero Very low Very high Infinite Zero Very low Very high Infinite 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. 2.5T. 5T. 0.5T. 10T. 2.5T. 5T. 0.5T. 10T. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of skin depth as 100 Hz in a material having μr = 1.0 and & σ = 3.60 × 107 s/m 2.4 mm. 10 mm. 4 mm. 8.4 mm. 2.4 mm. 10 mm. 4 mm. 8.4 mm. ANSWER DOWNLOAD EXAMIANS APP