Electrical Machines The torque developed in IM is nearly proportional to 1 / V2. V2. V. 1 / V. 1 / V2. V2. V. 1 / V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the applied voltage of a DC motor is 230 V, then back emf, for maximum power developed is 200 V. 460 V. 230 V. 115 V. 200 V. 460 V. 230 V. 115 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Why are capacitors used with large AC induction motor? Improve power level. Improve current level. Improve power factor. Improve voltage level. Improve power level. Improve current level. Improve power factor. Improve voltage level. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 250 V DC generator in run at rated speed with no excitation. The open circuit voltage will be zero. very small, say about 2 or 3 V. about 100 V. 250 V. zero. very small, say about 2 or 3 V. about 100 V. 250 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc motors, under leading pole tips flux density will--------? increase decrease None of these either increase or decrease increase decrease None of these either increase or decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To get the speed of DC motor is more than normal without wastage of electrical energy _____________ is used. Rheostatic control. Ward Leonard control. None of above. Any of above method. Rheostatic control. Ward Leonard control. None of above. Any of above method. ANSWER DOWNLOAD EXAMIANS APP
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