Electromagnetic Field Theory Ohm’s law in point from field theory can be expressed as J = σE. J = E / σ. V = IR. R = ρ × ( l / A). J = σE. J = E / σ. V = IR. R = ρ × ( l / A). 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 parallel to half portion and perpendicular for the other half. parallel to the plane of the wire. perpendicular to the circumference of the wire. none of above. parallel to half portion and perpendicular for the other half. parallel to the plane of the wire. perpendicular to the circumference of the wire. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The radiation pattern of loop antenna is Cardoid or Limacon Elliptical Semicircle Circle Cardoid or Limacon Elliptical Semicircle Circle 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 2 ux. – uy. 0. – 2 ux. 2 ux. – uy. 0. – 2 ux. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The emf induced in a conductor rotating in bipolar field is DC and AC both. AC. DC. none of these. DC and AC both. AC. DC. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Whenever the magnetic flux changes with respect to an electric conductor or a coil, an EMF is induced in the conductor is Faraday’s first law second law third law fourth law first law second law third law fourth law ANSWER DOWNLOAD EXAMIANS APP
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