Electrical Machines In alternator, the rotary part is core. magnetic field poles. armature. none of these. core. magnetic field poles. armature. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When a synchronous motor is running at synchronous speed, the damper winding produces damping torqe. eddy current torque. both 1 and 2. no torque. damping torqe. eddy current torque. both 1 and 2. no torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In speed control of DC shunt motor by varying field flux, what may be the value of field regulator? 2 ohm. 0.2 ohm 10 ohm 100 ohm 2 ohm. 0.2 ohm 10 ohm 100 ohm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC machine having P no of pair of pole pairs, Z no of conductors having length L of resistivity ρ and cross section S are arranged. what is the armature resistance? PZL/4Sp² PZL/ 4Sa PZL/4Sa² PZL/4S PZL/4Sp² PZL/ 4Sa PZL/4Sa² PZL/4S ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The constant losses in transformer is/are both 2 and 3. hysteresis loss. eddy current loss. copper loss. both 2 and 3. hysteresis loss. eddy current loss. copper loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine torque depends on which of the following? both A and B flux (φ) speed armature current (I) both A and B flux (φ) speed armature current (I) ANSWER DOWNLOAD EXAMIANS APP
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