Electromagnetic Field Theory The frequency of the power wave associated with an electromagnetic wave having field as E = e-z/δ cos(ω - zδ) is given by ω. ω/4π. ω / π. ω/2π. ω. ω/4π. ω / π. ω/2π. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory What is the value of total electric flux coming out of a closed surface? Equal to volume change density. Equal to total charge enclosed by the surface. Zero. Equal to the surface charge density. Equal to volume change density. Equal to total charge enclosed by the surface. Zero. Equal to the surface charge density. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A wire carrying current is bent in the form of a circular loop. Then the magnetic field around each portion of the wire will be perpendicular to the circumference of the wire. parallel to half portion and perpendicular for the other half. none of above. parallel to the plane of the wire. perpendicular to the circumference of the wire. parallel to half portion and perpendicular for the other half. none of above. parallel to the plane of the wire. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The Kirchhoff’s current law is implict in expression 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. Curl of H = J + (δ D)/(δ t). Surface integral of (j.ds) = 0. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A magnetic vector potential is given by the expression A = (- cos x) (cos y) uz. The flux density at the origin is – uy. 0. – 2 ux. 2 ux. – uy. 0. – 2 ux. 2 ux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The force required to seperate two surfaces with a contact area measuring 5 cm by 6 cm, when flux density normal to the surface is 0.8 tesla, will be 76.4 N. 764 N. 76400 N. 7640 N. 76.4 N. 764 N. 76400 N. 7640 N. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS