Electrical Machines Dynamic braking is employed to brake reversing drive None of these non reversing drive both 1 and 2 reversing drive None of these non reversing drive both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC motor can be determined by Lenz's law. Fleming's right hand rule. Ampere's law. Fleming's left hand rule. Lenz's law. Fleming's right hand rule. Ampere's law. Fleming's left hand rule. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The emf induced in a conductor rotating in a bipolar field is None of these DC. AC. both of above. None of these DC. AC. both of above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Exciting current of an induction motor is none of these. equal as power transformer. higher than power transformer. lesser than power transformer. none of these. equal as power transformer. higher than power transformer. lesser than power transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Find the number of poles required, when the frequency is 50Hz and speed of the motor is 500 rpm? 5 12 24 10 5 12 24 10 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Alternator operates on the principle of self or mutual induction. electromagnetic induction. mutual induction. self induction. self or mutual induction. electromagnetic induction. mutual induction. self induction. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS