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/ 4Sa PZL/4Sa² PZL/4S PZL/4Sp² PZL/ 4Sa PZL/4Sa² PZL/4S PZL/4Sp² ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Series field consists of--------number of turns and ---------- conductors respectively large and thin less and thin less and thick large and thick large and thin less and thin less and thick large and thick ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchorous generator connected to an infinite bus is over excited. Considering only the reactive power from the point view of the system the machine acts as None of these. A capacitor. an inductor. A resistor. None of these. A capacitor. an inductor. A resistor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single-winding single-phase motor has starting torque equal to full-load torque. low starting torque. zero starting torque. high starting torque. starting torque equal to full-load torque. low starting torque. zero starting torque. high starting torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a loaded DC motor, if the brushes are given a shift from the interpolar axis in the direction of rotation, then the commutation will improve and the speed falls. improve and the speed rises. deteriorate and the speed rises. deteriorate and the speed falls. improve and the speed falls. improve and the speed rises. deteriorate and the speed rises. deteriorate and the speed falls. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Number of tappings for each equalizer ring is equal to number of commutator segments. number of poles. number of pole pairs. number of parallel paths. number of commutator segments. number of poles. number of pole pairs. number of parallel paths. ANSWER DOWNLOAD EXAMIANS APP
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