Electromagnetic Field Theory The developed electromagnetic force and or torque in electromechanical energy conversion system act in a direction that tends to decrease the stored energy at constant flux. to increase the stored energy at constant flux. to decrease the stored energy at constant mmf. to decrease the co-energy at constant mmf. to decrease the stored energy at constant flux. to increase the stored energy at constant flux. to decrease the stored energy at constant mmf. to decrease the co-energy at constant mmf. 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. perpendicular to the circumference of the wire. parallel to the plane of the wire. none of above. parallel to half portion and perpendicular for the other half. perpendicular to the circumference of the wire. parallel to the plane of the wire. none of above. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The Kirchhoff’s current law is implict in expression Curl of H = J + (δ D)/(δ t). Divergence of B = 0. Surface integral of (j.ds) = 0. Divergence of D = ρv. Curl of H = J + (δ D)/(δ t). Divergence of B = 0. Surface integral of (j.ds) = 0. Divergence of D = ρv. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a current carrying conductor is brought into magnetic field, the force that moves the conductor depends upon The direction of the conductor The value of current The weight of the conductor None of these The direction of the conductor The value of current The weight of the conductor 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. 5T. 2.5T. 10T. 0.5T. 5T. 2.5T. 10T. 0.5T. 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. 4 mm. 8.4 mm. 10 mm. 2.4 mm. 4 mm. 8.4 mm. 10 mm. ANSWER DOWNLOAD EXAMIANS APP
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