Electrical Machines The direction of rotation of a DC motor can be determined by Lenz's law. Ampere's law. Fleming's right hand rule. Fleming's left hand rule. Lenz's law. Ampere's law. Fleming's right hand rule. Fleming's left hand rule. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of dielectric material is used in capacitors used for fans and for power factor correction? Vacuum. Mica. Glass. Oil impregnated paper. Vacuum. Mica. Glass. Oil impregnated paper. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the full load speed of 3-phase, 50Hz induction motor is 950 rpm, what is its half load speed nearly equals to? 975 rpm 950 rpm 940 rpm 1000 rpm 975 rpm 950 rpm 940 rpm 1000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase induction motor, the starting torque developed is proportional to supply voltage V 1/V² V² 1/V supply voltage V 1/V² V² 1/V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Breadth factor is defined as the ratio of emf with concentrated winding to emf with distributed winding. None of these emf with distributed winding to emf with concentrated winding. both 1 and 2. emf with concentrated winding to emf with distributed winding. None of these emf with distributed winding to emf with concentrated winding. both 1 and 2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Induction motor operation depends on stationary magnetic field. None of these rotating magnetic field. either of these. stationary magnetic field. None of these rotating magnetic field. either of these. ANSWER DOWNLOAD EXAMIANS APP
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