Electromagnetic Field Theory The heating time constant of an electrical machine gives an indication of its cooling. rating. short time rating. overload capacity. cooling. rating. short time rating. overload capacity. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A vector field A = p In is given in Cartesian coordinates. In cylindrical coordinates it will be represented as A = sinφ Ir. A = cosφ Ir - sinφ Ir. A = cosφ Ir. A = cosφ Ir + sinφ Iφ. A = sinφ Ir. A = cosφ Ir - sinφ Ir. A = cosφ Ir. A = cosφ Ir + sinφ Iφ. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory When a single turn coil rotates in a uniform magnetic field at a uniform speed, the induced emf will be alternating. none of these. steady. pulsating. alternating. none of these. steady. pulsating. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory A conductor of length 1 metre moves at right angles to magnetic field of flux density 1 Wb/m2 with a velocity of 25 m/s. The induced emf in the conductor will be 75 V. 100 V. 25 V. 50 V. 75 V. 100 V. 25 V. 50 V. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory Gradient of scalar field is expressed as Maximum rate of increase of scalar function at a point. Circulation of a vector field per unit area as the area tends to zero. Outward flux of a vector field per unit volume as the volume about the point tends to zero. Gradient of divergence of a vector field minus the curl of the vector field. Maximum rate of increase of scalar function at a point. Circulation of a vector field per unit area as the area tends to zero. Outward flux of a vector field per unit volume as the volume about the point tends to zero. Gradient of divergence of a vector field minus the curl of the vector field. ANSWER DOWNLOAD EXAMIANS APP
Electromagnetic Field Theory The developed electromagnetic force and or torque in electromechanical energy conversion system act in a direction that tends to decrease the co-energy at constant mmf. to decrease the stored energy at constant mmf. to decrease the stored energy at constant flux. to increase the stored energy at constant flux. to decrease the co-energy at constant mmf. to decrease the stored energy at constant mmf. to decrease the stored energy at constant flux. to increase the stored energy at constant flux. ANSWER DOWNLOAD EXAMIANS APP
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