Electrical Machines Eg (generated emf) and Eb (back emf) both are none of above. different. same. changes. none of above. different. same. changes. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature resistance control method is also called as-----------? constant torque control constant voltage control constant power control constant current control constant torque control constant voltage control constant power control constant current control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous machine has P number of poles, find the relation between electrical angular momentum (ωe) and mechanical angular momentum (ωm)? ωe = P/2*ωm ωe = ωm ωe = P*ωm ωe = 2/P*ωm ωe = P/2*ωm ωe = ωm ωe = P*ωm ωe = 2/P*ωm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Thin laminations are used in a machine in order to reduce Copper losses Eddy current losses Hysteresis losses Both 1 and 2 Copper losses Eddy current losses Hysteresis losses Both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformers operating in parallel will share the load depending upon their rating. percentage impedance. leakage reactance. efficiency. rating. percentage impedance. leakage reactance. efficiency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine shape of main field flux distribution is? peaky in nature saddle shape flat tapped or trapezoidal triangular peaky in nature saddle shape flat tapped or trapezoidal triangular ANSWER DOWNLOAD EXAMIANS APP