Electrical Machines In a 2 pole lap winding dc machine , the resistance of one conductor is 2Ω and total number of conductors is 100. Find the total resistance 200Ω 100Ω 50Ω 10Ω 200Ω 100Ω 50Ω 10Ω ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque speed characteristics of a AC servomotor is approximately linearised any of the above parabola hyperbola linearised any of the above parabola hyperbola ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Sparkless commutation can be achieved by employing high resistance carbon brushes. inter poles. any one or more of the above methods. compensating winding. high resistance carbon brushes. inter poles. any one or more of the above methods. compensating winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The interpoles in dc machines have a tapering shape in order to reduce the saturation in the interpole increase the acceleration of commutation economise on the material required for interpoles and their windings reduce the overall weight reduce the saturation in the interpole increase the acceleration of commutation economise on the material required for interpoles and their windings reduce the overall weight ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on shaft torque. rotor speed. synchronous speed. core loss component. shaft torque. rotor speed. synchronous speed. core loss component. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tap changer is generally provided in current transformer. earthing transformer. power transformer. voltage transformer. current transformer. earthing transformer. power transformer. voltage transformer. ANSWER DOWNLOAD EXAMIANS APP