Electrical Machines In DC motors, under trailing pole tips, flux density will_______ ? None of these either increase or decrease increase decrease None of these either increase or decrease increase decrease ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Methods of synchronizing of alternator may be done by all bright lamp method. one dark two bright. all of these. all dark lamp method. all bright lamp method. one dark two bright. all of these. all dark lamp method. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer, hysteresis and eddy current losses depend upon maximum flux density supply frequency load current both 2 and 3 maximum flux density supply frequency load current both 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutator in DC generator is used for increase efficiency collecting of current convert AC armature current in to DC reduce losses increase efficiency collecting of current convert AC armature current in to DC reduce losses ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The material used for commutator brushes is mostly cast iron. copper. mica. carbon. cast iron. copper. mica. carbon. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the brushes remain in contact with conductors which lie in the inter polar gaps. lie under north pole. there is no hard and fast rule for this. lie under south pole. lie in the inter polar gaps. lie under north pole. there is no hard and fast rule for this. lie under south pole. ANSWER DOWNLOAD EXAMIANS APP
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